Home / 528,771,234.30-793,156,851.45-426,734,562.30

Finding the Fourth Proportional to 528,771,234.30, 793,156,851.45 and 426,734,562.30

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Solution

The fourth proportional to 528,771,234.30, 793,156,851.45 and 426,734,562.30 is: 640,101,843.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,771,234.30 : 793,156,851.45 = 426,734,562.30 : x
  2. Step 2: Convert to fraction form
    528,771,234.30/793,156,851.45 = 426,734,562.30/x
  3. Step 3: Cross multiply
    528,771,234.30x = 793,156,851.45 × 426,734,562.30
  4. Step 4: Simplify right side
    528,771,234.30x = 338,467,441,838,761,920
  5. Step 5: Solve for x
    x = 338,467,441,838,761,920/528,771,234.30
  6. Step 6: Final answer
    x = 640,101,843.45

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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.