Home / 657,531,926.48-907,400,727.24-396,721,154

Finding the Fourth Proportional to 657,531,926.48, 907,400,727.24 and 396,721,154

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Solution

The fourth proportional to 657,531,926.48, 907,400,727.24 and 396,721,154 is: 547,479,216.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,531,926.48 : 907,400,727.24 = 396,721,154 : x
  2. Step 2: Convert to fraction form
    657,531,926.48/907,400,727.24 = 396,721,154/x
  3. Step 3: Cross multiply
    657,531,926.48x = 907,400,727.24 × 396,721,154
  4. Step 4: Simplify right side
    657,531,926.48x = 359,985,063,651,092,032
  5. Step 5: Solve for x
    x = 359,985,063,651,092,032/657,531,926.48
  6. Step 6: Final answer
    x = 547,479,216.07

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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.