Home / 641,178,151.20-884,827,549.44-347,822,719.20

Finding the Fourth Proportional to 641,178,151.20, 884,827,549.44 and 347,822,719.20

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Solution

The fourth proportional to 641,178,151.20, 884,827,549.44 and 347,822,719.20 is: 479,996,275.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    641,178,151.20 : 884,827,549.44 = 347,822,719.20 : x
  2. Step 2: Convert to fraction form
    641,178,151.20/884,827,549.44 = 347,822,719.20/x
  3. Step 3: Cross multiply
    641,178,151.20x = 884,827,549.44 × 347,822,719.20
  4. Step 4: Simplify right side
    641,178,151.20x = 307,763,124,269,293,248
  5. Step 5: Solve for x
    x = 307,763,124,269,293,248/641,178,151.20
  6. Step 6: Final answer
    x = 479,996,275.13

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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.