Home / 257,904,026.40-386,856,039.60-176,274,688.80

Finding the Fourth Proportional to 257,904,026.40, 386,856,039.60 and 176,274,688.80

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Solution

The fourth proportional to 257,904,026.40, 386,856,039.60 and 176,274,688.80 is: 264,412,033.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,904,026.40 : 386,856,039.60 = 176,274,688.80 : x
  2. Step 2: Convert to fraction form
    257,904,026.40/386,856,039.60 = 176,274,688.80/x
  3. Step 3: Cross multiply
    257,904,026.40x = 386,856,039.60 × 176,274,688.80
  4. Step 4: Simplify right side
    257,904,026.40x = 68,192,927,990,890,488
  5. Step 5: Solve for x
    x = 68,192,927,990,890,488/257,904,026.40
  6. Step 6: Final answer
    x = 264,412,033.20

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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.