Home / 688,822,059.51-950,547,062.48-406,655,391.29

Finding the Fourth Proportional to 688,822,059.51, 950,547,062.48 and 406,655,391.29

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Solution

The fourth proportional to 688,822,059.51, 950,547,062.48 and 406,655,391.29 is: 561,168,276.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    688,822,059.51 : 950,547,062.48 = 406,655,391.29 : x
  2. Step 2: Convert to fraction form
    688,822,059.51/950,547,062.48 = 406,655,391.29/x
  3. Step 3: Cross multiply
    688,822,059.51x = 950,547,062.48 × 406,655,391.29
  4. Step 4: Simplify right side
    688,822,059.51x = 386,545,087,625,578,496
  5. Step 5: Solve for x
    x = 386,545,087,625,578,496/688,822,059.51
  6. Step 6: Final answer
    x = 561,168,276.03

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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.