Home / 418,262,353.02-626,819,567.45-264,633,388.74

Finding the Fourth Proportional to 418,262,353.02, 626,819,567.45 and 264,633,388.74

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Solution

The fourth proportional to 418,262,353.02, 626,819,567.45 and 264,633,388.74 is: 396,586,938.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,262,353.02 : 626,819,567.45 = 264,633,388.74 : x
  2. Step 2: Convert to fraction form
    418,262,353.02/626,819,567.45 = 264,633,388.74/x
  3. Step 3: Cross multiply
    418,262,353.02x = 626,819,567.45 × 264,633,388.74
  4. Step 4: Simplify right side
    418,262,353.02x = 165,877,386,261,511,360
  5. Step 5: Solve for x
    x = 165,877,386,261,511,360/418,262,353.02
  6. Step 6: Final answer
    x = 396,586,938.95

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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.