Home / 357,382,821.48-534,428,564.25-339,948,899.48

Finding the Fourth Proportional to 357,382,821.48, 534,428,564.25 and 339,948,899.48

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Solution

The fourth proportional to 357,382,821.48, 534,428,564.25 and 339,948,899.48 is: 508,357,960.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,382,821.48 : 534,428,564.25 = 339,948,899.48 : x
  2. Step 2: Convert to fraction form
    357,382,821.48/534,428,564.25 = 339,948,899.48/x
  3. Step 3: Cross multiply
    357,382,821.48x = 534,428,564.25 × 339,948,899.48
  4. Step 4: Simplify right side
    357,382,821.48x = 181,678,402,264,791,840
  5. Step 5: Solve for x
    x = 181,678,402,264,791,840/357,382,821.48
  6. Step 6: Final answer
    x = 508,357,960.55

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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.