Home / 758,027,998.80-1,137,041,998.20-349,881,310.80

Finding the Fourth Proportional to 758,027,998.80, 1,137,041,998.20 and 349,881,310.80

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Solution

The fourth proportional to 758,027,998.80, 1,137,041,998.20 and 349,881,310.80 is: 524,821,966.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    758,027,998.80 : 1,137,041,998.20 = 349,881,310.80 : x
  2. Step 2: Convert to fraction form
    758,027,998.80/1,137,041,998.20 = 349,881,310.80/x
  3. Step 3: Cross multiply
    758,027,998.80x = 1,137,041,998.20 × 349,881,310.80
  4. Step 4: Simplify right side
    758,027,998.80x = 397,829,744,764,867,264
  5. Step 5: Solve for x
    x = 397,829,744,764,867,264/758,027,998.80
  6. Step 6: Final answer
    x = 524,821,966.20

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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.