Home / 472,413,832.32-708,558,534.54-140,413,755

Finding the Fourth Proportional to 472,413,832.32, 708,558,534.54 and 140,413,755

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Solution

The fourth proportional to 472,413,832.32, 708,558,534.54 and 140,413,755 is: 210,602,140.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,413,832.32 : 708,558,534.54 = 140,413,755 : x
  2. Step 2: Convert to fraction form
    472,413,832.32/708,558,534.54 = 140,413,755/x
  3. Step 3: Cross multiply
    472,413,832.32x = 708,558,534.54 × 140,413,755
  4. Step 4: Simplify right side
    472,413,832.32x = 99,491,364,472,058,592
  5. Step 5: Solve for x
    x = 99,491,364,472,058,592/472,413,832.32
  6. Step 6: Final answer
    x = 210,602,140.89

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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.