Home / 676,578,840.30-1,014,980,234.85-288,587,544.30

Finding the Fourth Proportional to 676,578,840.30, 1,014,980,234.85 and 288,587,544.30

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Solution

The fourth proportional to 676,578,840.30, 1,014,980,234.85 and 288,587,544.30 is: 432,929,077.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,578,840.30 : 1,014,980,234.85 = 288,587,544.30 : x
  2. Step 2: Convert to fraction form
    676,578,840.30/1,014,980,234.85 = 288,587,544.30/x
  3. Step 3: Cross multiply
    676,578,840.30x = 1,014,980,234.85 × 288,587,544.30
  4. Step 4: Simplify right side
    676,578,840.30x = 292,910,653,488,398,784
  5. Step 5: Solve for x
    x = 292,910,653,488,398,784/676,578,840.30
  6. Step 6: Final answer
    x = 432,929,077.95

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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.