Home / 340,712,005.20-511,068,007.80-243,966,123.60

Finding the Fourth Proportional to 340,712,005.20, 511,068,007.80 and 243,966,123.60

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Solution

The fourth proportional to 340,712,005.20, 511,068,007.80 and 243,966,123.60 is: 365,949,185.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,712,005.20 : 511,068,007.80 = 243,966,123.60 : x
  2. Step 2: Convert to fraction form
    340,712,005.20/511,068,007.80 = 243,966,123.60/x
  3. Step 3: Cross multiply
    340,712,005.20x = 511,068,007.80 × 243,966,123.60
  4. Step 4: Simplify right side
    340,712,005.20x = 124,683,280,758,940,560
  5. Step 5: Solve for x
    x = 124,683,280,758,940,560/340,712,005.20
  6. Step 6: Final answer
    x = 365,949,185.40

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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.