Home / 1,034,857,765.10-1,552,286,647.65-830,784,421.10

Finding the Fourth Proportional to 1,034,857,765.10, 1,552,286,647.65 and 830,784,421.10

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Solution

The fourth proportional to 1,034,857,765.10, 1,552,286,647.65 and 830,784,421.10 is: 1,246,176,631.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,034,857,765.10 : 1,552,286,647.65 = 830,784,421.10 : x
  2. Step 2: Convert to fraction form
    1,034,857,765.10/1,552,286,647.65 = 830,784,421.10/x
  3. Step 3: Cross multiply
    1,034,857,765.10x = 1,552,286,647.65 × 830,784,421.10
  4. Step 4: Simplify right side
    1,034,857,765.10x = 1,289,615,563,949,165,056
  5. Step 5: Solve for x
    x = 1,289,615,563,949,165,056/1,034,857,765.10
  6. Step 6: Final answer
    x = 1,246,176,631.65

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Half scale
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Double scale
Find fourth proportional to 1,034,857,766.10, 1,552,286,649.15 and 830,784,422.10
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.