Home / 284,913,210.78-392,868,007.25-185,609,806.43

Finding the Fourth Proportional to 284,913,210.78, 392,868,007.25 and 185,609,806.43

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Solution

The fourth proportional to 284,913,210.78, 392,868,007.25 and 185,609,806.43 is: 255,938,131.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,913,210.78 : 392,868,007.25 = 185,609,806.43 : x
  2. Step 2: Convert to fraction form
    284,913,210.78/392,868,007.25 = 185,609,806.43/x
  3. Step 3: Cross multiply
    284,913,210.78x = 392,868,007.25 × 185,609,806.43
  4. Step 4: Simplify right side
    284,913,210.78x = 72,920,154,775,319,952
  5. Step 5: Solve for x
    x = 72,920,154,775,319,952/284,913,210.78
  6. Step 6: Final answer
    x = 255,938,131.39

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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.