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Finding the Fourth Proportional to 498,330,003.70, 747,495,005.55 and 239,482,807.30

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Solution

The fourth proportional to 498,330,003.70, 747,495,005.55 and 239,482,807.30 is: 359,224,210.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,330,003.70 : 747,495,005.55 = 239,482,807.30 : x
  2. Step 2: Convert to fraction form
    498,330,003.70/747,495,005.55 = 239,482,807.30/x
  3. Step 3: Cross multiply
    498,330,003.70x = 747,495,005.55 × 239,482,807.30
  4. Step 4: Simplify right side
    498,330,003.70x = 179,012,202,371,843,072
  5. Step 5: Solve for x
    x = 179,012,202,371,843,072/498,330,003.70
  6. Step 6: Final answer
    x = 359,224,210.95

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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.