Home / 456,194,035.40-684,039,110.70-149,328,192.20

Finding the Fourth Proportional to 456,194,035.40, 684,039,110.70 and 149,328,192.20

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Solution

The fourth proportional to 456,194,035.40, 684,039,110.70 and 149,328,192.20 is: 223,909,818.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,194,035.40 : 684,039,110.70 = 149,328,192.20 : x
  2. Step 2: Convert to fraction form
    456,194,035.40/684,039,110.70 = 149,328,192.20/x
  3. Step 3: Cross multiply
    456,194,035.40x = 684,039,110.70 × 149,328,192.20
  4. Step 4: Simplify right side
    456,194,035.40x = 102,146,323,794,926,672
  5. Step 5: Solve for x
    x = 102,146,323,794,926,672/456,194,035.40
  6. Step 6: Final answer
    x = 223,909,818.78

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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.