Home / 434,022,677.40-651,034,016.10-161,337,019.80

Finding the Fourth Proportional to 434,022,677.40, 651,034,016.10 and 161,337,019.80

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Solution

The fourth proportional to 434,022,677.40, 651,034,016.10 and 161,337,019.80 is: 242,005,529.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,022,677.40 : 651,034,016.10 = 161,337,019.80 : x
  2. Step 2: Convert to fraction form
    434,022,677.40/651,034,016.10 = 161,337,019.80/x
  3. Step 3: Cross multiply
    434,022,677.40x = 651,034,016.10 × 161,337,019.80
  4. Step 4: Simplify right side
    434,022,677.40x = 105,035,887,945,999,232
  5. Step 5: Solve for x
    x = 105,035,887,945,999,232/434,022,677.40
  6. Step 6: Final answer
    x = 242,005,529.70

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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.