Home / 689,905,016.90-1,034,857,525.35-553,856,120.90

Finding the Fourth Proportional to 689,905,016.90, 1,034,857,525.35 and 553,856,120.90

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Solution

The fourth proportional to 689,905,016.90, 1,034,857,525.35 and 553,856,120.90 is: 830,784,181.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    689,905,016.90 : 1,034,857,525.35 = 553,856,120.90 : x
  2. Step 2: Convert to fraction form
    689,905,016.90/1,034,857,525.35 = 553,856,120.90/x
  3. Step 3: Cross multiply
    689,905,016.90x = 1,034,857,525.35 × 553,856,120.90
  4. Step 4: Simplify right side
    689,905,016.90x = 573,162,174,674,524,416
  5. Step 5: Solve for x
    x = 573,162,174,674,524,416/689,905,016.90
  6. Step 6: Final answer
    x = 830,784,181.35

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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.