Home / 1,393,720,432.38-2,090,580,648.17-520,390,003.23

Finding the Fourth Proportional to 1,393,720,432.38, 2,090,580,648.17 and 520,390,003.23

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Solution

The fourth proportional to 1,393,720,432.38, 2,090,580,648.17 and 520,390,003.23 is: 780,585,004.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,393,720,432.38 : 2,090,580,648.17 = 520,390,003.23 : x
  2. Step 2: Convert to fraction form
    1,393,720,432.38/2,090,580,648.17 = 520,390,003.23/x
  3. Step 3: Cross multiply
    1,393,720,432.38x = 2,090,580,648.17 × 520,390,003.23
  4. Step 4: Simplify right side
    1,393,720,432.38x = 1,087,917,270,251,159,808
  5. Step 5: Solve for x
    x = 1,087,917,270,251,159,808/1,393,720,432.38
  6. Step 6: Final answer
    x = 780,585,004.69

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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.