Home / 253,292,211.20-379,938,316.80-239,183,436.80

Finding the Fourth Proportional to 253,292,211.20, 379,938,316.80 and 239,183,436.80

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Solution

The fourth proportional to 253,292,211.20, 379,938,316.80 and 239,183,436.80 is: 358,775,155.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,292,211.20 : 379,938,316.80 = 239,183,436.80 : x
  2. Step 2: Convert to fraction form
    253,292,211.20/379,938,316.80 = 239,183,436.80/x
  3. Step 3: Cross multiply
    253,292,211.20x = 379,938,316.80 × 239,183,436.80
  4. Step 4: Simplify right side
    253,292,211.20x = 90,874,952,384,231,184
  5. Step 5: Solve for x
    x = 90,874,952,384,231,184/253,292,211.20
  6. Step 6: Final answer
    x = 358,775,155.20

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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.