Home / 424,098,907.30-636,148,360.95-343,477,339.30

Finding the Fourth Proportional to 424,098,907.30, 636,148,360.95 and 343,477,339.30

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Solution

The fourth proportional to 424,098,907.30, 636,148,360.95 and 343,477,339.30 is: 515,216,008.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,098,907.30 : 636,148,360.95 = 343,477,339.30 : x
  2. Step 2: Convert to fraction form
    424,098,907.30/636,148,360.95 = 343,477,339.30/x
  3. Step 3: Cross multiply
    424,098,907.30x = 636,148,360.95 × 343,477,339.30
  4. Step 4: Simplify right side
    424,098,907.30x = 218,502,546,419,162,048
  5. Step 5: Solve for x
    x = 218,502,546,419,162,048/424,098,907.30
  6. Step 6: Final answer
    x = 515,216,008.95

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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.