Home / 1,372,192,741.50-2,058,118,925.13-812,287,732.38

Finding the Fourth Proportional to 1,372,192,741.50, 2,058,118,925.13 and 812,287,732.38

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Solution

The fourth proportional to 1,372,192,741.50, 2,058,118,925.13 and 812,287,732.38 is: 1,218,330,854.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,372,192,741.50 : 2,058,118,925.13 = 812,287,732.38 : x
  2. Step 2: Convert to fraction form
    1,372,192,741.50/2,058,118,925.13 = 812,287,732.38/x
  3. Step 3: Cross multiply
    1,372,192,741.50x = 2,058,118,925.13 × 812,287,732.38
  4. Step 4: Simplify right side
    1,372,192,741.50x = 1,671,784,754,662,210,816
  5. Step 5: Solve for x
    x = 1,671,784,754,662,210,816/1,372,192,741.50
  6. Step 6: Final answer
    x = 1,218,330,854.04

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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.