Home / 708,653,287.70-1,062,979,931.55-637,227,617.30

Finding the Fourth Proportional to 708,653,287.70, 1,062,979,931.55 and 637,227,617.30

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Solution

The fourth proportional to 708,653,287.70, 1,062,979,931.55 and 637,227,617.30 is: 955,841,425.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    708,653,287.70 : 1,062,979,931.55 = 637,227,617.30 : x
  2. Step 2: Convert to fraction form
    708,653,287.70/1,062,979,931.55 = 637,227,617.30/x
  3. Step 3: Cross multiply
    708,653,287.70x = 1,062,979,931.55 × 637,227,617.30
  4. Step 4: Simplify right side
    708,653,287.70x = 677,360,169,019,323,520
  5. Step 5: Solve for x
    x = 677,360,169,019,323,520/708,653,287.70
  6. Step 6: Final answer
    x = 955,841,425.95

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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.