Home / 472,530,574.60-708,459,938.70-181,285,160.20

Finding the Fourth Proportional to 472,530,574.60, 708,459,938.70 and 181,285,160.20

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Solution

The fourth proportional to 472,530,574.60, 708,459,938.70 and 181,285,160.20 is: 271,798,864.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,530,574.60 : 708,459,938.70 = 181,285,160.20 : x
  2. Step 2: Convert to fraction form
    472,530,574.60/708,459,938.70 = 181,285,160.20/x
  3. Step 3: Cross multiply
    472,530,574.60x = 708,459,938.70 × 181,285,160.20
  4. Step 4: Simplify right side
    472,530,574.60x = 128,433,273,482,511,680
  5. Step 5: Solve for x
    x = 128,433,273,482,511,680/472,530,574.60
  6. Step 6: Final answer
    x = 271,798,864.21

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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.