Home / 860,188,310.20-1,290,282,465.30-314,748,566.20

Finding the Fourth Proportional to 860,188,310.20, 1,290,282,465.30 and 314,748,566.20

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Solution

The fourth proportional to 860,188,310.20, 1,290,282,465.30 and 314,748,566.20 is: 472,122,849.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    860,188,310.20 : 1,290,282,465.30 = 314,748,566.20 : x
  2. Step 2: Convert to fraction form
    860,188,310.20/1,290,282,465.30 = 314,748,566.20/x
  3. Step 3: Cross multiply
    860,188,310.20x = 1,290,282,465.30 × 314,748,566.20
  4. Step 4: Simplify right side
    860,188,310.20x = 406,114,555,946,176,192
  5. Step 5: Solve for x
    x = 406,114,555,946,176,192/860,188,310.20
  6. Step 6: Final answer
    x = 472,122,849.30

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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.