Home / 457,702,154,023.20-686,553,231,034.80-139,345,824,195.60

Finding the Fourth Proportional to 457,702,154,023.20, 686,553,231,034.80 and 139,345,824,195.60

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Solution

The fourth proportional to 457,702,154,023.20, 686,553,231,034.80 and 139,345,824,195.60 is: 209,018,736,293.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,702,154,023.20 : 686,553,231,034.80 = 139,345,824,195.60 : x
  2. Step 2: Convert to fraction form
    457,702,154,023.20/686,553,231,034.80 = 139,345,824,195.60/x
  3. Step 3: Cross multiply
    457,702,154,023.20x = 686,553,231,034.80 × 139,345,824,195.60
  4. Step 4: Simplify right side
    457,702,154,023.20x = 95,668,325,832,696,409,358,336
  5. Step 5: Solve for x
    x = 95,668,325,832,696,409,358,336/457,702,154,023.20
  6. Step 6: Final answer
    x = 209,018,736,293.40

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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.