Home / 758,207,998.80-1,137,311,998.20-620,458,491.60

Finding the Fourth Proportional to 758,207,998.80, 1,137,311,998.20 and 620,458,491.60

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Solution

The fourth proportional to 758,207,998.80, 1,137,311,998.20 and 620,458,491.60 is: 930,687,737.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    758,207,998.80 : 1,137,311,998.20 = 620,458,491.60 : x
  2. Step 2: Convert to fraction form
    758,207,998.80/1,137,311,998.20 = 620,458,491.60/x
  3. Step 3: Cross multiply
    758,207,998.80x = 1,137,311,998.20 × 620,458,491.60
  4. Step 4: Simplify right side
    758,207,998.80x = 705,654,886,881,753,984
  5. Step 5: Solve for x
    x = 705,654,886,881,753,984/758,207,998.80
  6. Step 6: Final answer
    x = 930,687,737.40

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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.