Home / 434,625,816.80-651,714,776.40-161,856,178.40

Finding the Fourth Proportional to 434,625,816.80, 651,714,776.40 and 161,856,178.40

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Solution

The fourth proportional to 434,625,816.80, 651,714,776.40 and 161,856,178.40 is: 242,700,868.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,625,816.80 : 651,714,776.40 = 161,856,178.40 : x
  2. Step 2: Convert to fraction form
    434,625,816.80/651,714,776.40 = 161,856,178.40/x
  3. Step 3: Cross multiply
    434,625,816.80x = 651,714,776.40 × 161,856,178.40
  4. Step 4: Simplify right side
    434,625,816.80x = 105,484,063,114,914,512
  5. Step 5: Solve for x
    x = 105,484,063,114,914,512/434,625,816.80
  6. Step 6: Final answer
    x = 242,700,868.28

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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.