Home / 623,752,915.48-860,785,825.80-345,299,089.12

Finding the Fourth Proportional to 623,752,915.48, 860,785,825.80 and 345,299,089.12

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Solution

The fourth proportional to 623,752,915.48, 860,785,825.80 and 345,299,089.12 is: 476,516,508.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,752,915.48 : 860,785,825.80 = 345,299,089.12 : x
  2. Step 2: Convert to fraction form
    623,752,915.48/860,785,825.80 = 345,299,089.12/x
  3. Step 3: Cross multiply
    623,752,915.48x = 860,785,825.80 × 345,299,089.12
  4. Step 4: Simplify right side
    623,752,915.48x = 297,228,561,575,289,920
  5. Step 5: Solve for x
    x = 297,228,561,575,289,920/623,752,915.48
  6. Step 6: Final answer
    x = 476,516,508.70

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.