Home / 758,646,220.40-1,137,402,460.20-413,989,017.20

Finding the Fourth Proportional to 758,646,220.40, 1,137,402,460.20 and 413,989,017.20

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Solution

The fourth proportional to 758,646,220.40, 1,137,402,460.20 and 413,989,017.20 is: 620,674,187.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    758,646,220.40 : 1,137,402,460.20 = 413,989,017.20 : x
  2. Step 2: Convert to fraction form
    758,646,220.40/1,137,402,460.20 = 413,989,017.20/x
  3. Step 3: Cross multiply
    758,646,220.40x = 1,137,402,460.20 × 413,989,017.20
  4. Step 4: Simplify right side
    758,646,220.40x = 470,872,126,659,060,096
  5. Step 5: Solve for x
    x = 470,872,126,659,060,096/758,646,220.40
  6. Step 6: Final answer
    x = 620,674,187.78

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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.