Home / 849,632,677.11-1,172,337,446.96-473,279,899.03

Finding the Fourth Proportional to 849,632,677.11, 1,172,337,446.96 and 473,279,899.03

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Solution

The fourth proportional to 849,632,677.11, 1,172,337,446.96 and 473,279,899.03 is: 653,039,558.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    849,632,677.11 : 1,172,337,446.96 = 473,279,899.03 : x
  2. Step 2: Convert to fraction form
    849,632,677.11/1,172,337,446.96 = 473,279,899.03/x
  3. Step 3: Cross multiply
    849,632,677.11x = 1,172,337,446.96 × 473,279,899.03
  4. Step 4: Simplify right side
    849,632,677.11x = 554,843,748,526,316,736
  5. Step 5: Solve for x
    x = 554,843,748,526,316,736/849,632,677.11
  6. Step 6: Final answer
    x = 653,039,558.71

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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.