Home / 472,479,209.90-708,752,869.27-181,346,333.12

Finding the Fourth Proportional to 472,479,209.90, 708,752,869.27 and 181,346,333.12

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Solution

The fourth proportional to 472,479,209.90, 708,752,869.27 and 181,346,333.12 is: 272,032,570.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,479,209.90 : 708,752,869.27 = 181,346,333.12 : x
  2. Step 2: Convert to fraction form
    472,479,209.90/708,752,869.27 = 181,346,333.12/x
  3. Step 3: Cross multiply
    472,479,209.90x = 708,752,869.27 × 181,346,333.12
  4. Step 4: Simplify right side
    472,479,209.90x = 128,529,733,930,073,104
  5. Step 5: Solve for x
    x = 128,529,733,930,073,104/472,479,209.90
  6. Step 6: Final answer
    x = 272,032,570.40

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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.