Home / 434,625,890.30-651,714,886.65-161,856,251.90

Finding the Fourth Proportional to 434,625,890.30, 651,714,886.65 and 161,856,251.90

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Solution

The fourth proportional to 434,625,890.30, 651,714,886.65 and 161,856,251.90 is: 242,700,978.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,625,890.30 : 651,714,886.65 = 161,856,251.90 : x
  2. Step 2: Convert to fraction form
    434,625,890.30/651,714,886.65 = 161,856,251.90/x
  3. Step 3: Cross multiply
    434,625,890.30x = 651,714,886.65 × 161,856,251.90
  4. Step 4: Simplify right side
    434,625,890.30x = 105,484,128,860,602,352
  5. Step 5: Solve for x
    x = 105,484,128,860,602,352/434,625,890.30
  6. Step 6: Final answer
    x = 242,700,978.51

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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.