Home / 472,413,830.32-708,558,531.54-140,413,753

Finding the Fourth Proportional to 472,413,830.32, 708,558,531.54 and 140,413,753

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Solution

The fourth proportional to 472,413,830.32, 708,558,531.54 and 140,413,753 is: 210,602,137.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,413,830.32 : 708,558,531.54 = 140,413,753 : x
  2. Step 2: Convert to fraction form
    472,413,830.32/708,558,531.54 = 140,413,753/x
  3. Step 3: Cross multiply
    472,413,830.32x = 708,558,531.54 × 140,413,753
  4. Step 4: Simplify right side
    472,413,830.32x = 99,491,362,633,700,272
  5. Step 5: Solve for x
    x = 99,491,362,633,700,272/472,413,830.32
  6. Step 6: Final answer
    x = 210,602,137.89

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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.