Home / 424,363,231.42-636,650,763.27-148,018,424.74

Finding the Fourth Proportional to 424,363,231.42, 636,650,763.27 and 148,018,424.74

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Solution

The fourth proportional to 424,363,231.42, 636,650,763.27 and 148,018,424.74 is: 222,064,580.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,363,231.42 : 636,650,763.27 = 148,018,424.74 : x
  2. Step 2: Convert to fraction form
    424,363,231.42/636,650,763.27 = 148,018,424.74/x
  3. Step 3: Cross multiply
    424,363,231.42x = 636,650,763.27 × 148,018,424.74
  4. Step 4: Simplify right side
    424,363,231.42x = 94,236,043,088,744,048
  5. Step 5: Solve for x
    x = 94,236,043,088,744,048/424,363,231.42
  6. Step 6: Final answer
    x = 222,064,580.79

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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.