Home / 7,884,927,288.20-11,827,390,932.30-4,783,012,459.40

Finding the Fourth Proportional to 7,884,927,288.20, 11,827,390,932.30 and 4,783,012,459.40

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Solution

The fourth proportional to 7,884,927,288.20, 11,827,390,932.30 and 4,783,012,459.40 is: 7,174,518,689.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,884,927,288.20 : 11,827,390,932.30 = 4,783,012,459.40 : x
  2. Step 2: Convert to fraction form
    7,884,927,288.20/11,827,390,932.30 = 4,783,012,459.40/x
  3. Step 3: Cross multiply
    7,884,927,288.20x = 11,827,390,932.30 × 4,783,012,459.40
  4. Step 4: Simplify right side
    7,884,927,288.20x = 56,570,558,191,385,477,120
  5. Step 5: Solve for x
    x = 56,570,558,191,385,477,120/7,884,927,288.20
  6. Step 6: Final answer
    x = 7,174,518,689.10

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Double scale
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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.