Home / 855,729,510.16-1,182,014,459.24-707,648,770.32

Finding the Fourth Proportional to 855,729,510.16, 1,182,014,459.24 and 707,648,770.32

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Solution

The fourth proportional to 855,729,510.16, 1,182,014,459.24 and 707,648,770.32 is: 977,471,348.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,729,510.16 : 1,182,014,459.24 = 707,648,770.32 : x
  2. Step 2: Convert to fraction form
    855,729,510.16/1,182,014,459.24 = 707,648,770.32/x
  3. Step 3: Cross multiply
    855,729,510.16x = 1,182,014,459.24 × 707,648,770.32
  4. Step 4: Simplify right side
    855,729,510.16x = 836,451,078,581,645,824
  5. Step 5: Solve for x
    x = 836,451,078,581,645,824/855,729,510.16
  6. Step 6: Final answer
    x = 977,471,348.89

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.