Home / 563,912,321.45-845,865,070.45-306,761,799.65

Finding the Fourth Proportional to 563,912,321.45, 845,865,070.45 and 306,761,799.65

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Solution

The fourth proportional to 563,912,321.45, 845,865,070.45 and 306,761,799.65 is: 460,140,843.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    563,912,321.45 : 845,865,070.45 = 306,761,799.65 : x
  2. Step 2: Convert to fraction form
    563,912,321.45/845,865,070.45 = 306,761,799.65/x
  3. Step 3: Cross multiply
    563,912,321.45x = 845,865,070.45 × 306,761,799.65
  4. Step 4: Simplify right side
    563,912,321.45x = 259,479,091,267,319,776
  5. Step 5: Solve for x
    x = 259,479,091,267,319,776/563,912,321.45
  6. Step 6: Final answer
    x = 460,140,843.53

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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.