Home / 372,295,834.80-557,717,254.38-290,029,515.68

Finding the Fourth Proportional to 372,295,834.80, 557,717,254.38 and 290,029,515.68

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Solution

The fourth proportional to 372,295,834.80, 557,717,254.38 and 290,029,515.68 is: 434,478,310.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,295,834.80 : 557,717,254.38 = 290,029,515.68 : x
  2. Step 2: Convert to fraction form
    372,295,834.80/557,717,254.38 = 290,029,515.68/x
  3. Step 3: Cross multiply
    372,295,834.80x = 557,717,254.38 × 290,029,515.68
  4. Step 4: Simplify right side
    372,295,834.80x = 161,754,465,173,226,016
  5. Step 5: Solve for x
    x = 161,754,465,173,226,016/372,295,834.80
  6. Step 6: Final answer
    x = 434,478,310.13

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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.