Home / 861,738,325.20-1,293,419,302.20-453,087,752.40

Finding the Fourth Proportional to 861,738,325.20, 1,293,419,302.20 and 453,087,752.40

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Solution

The fourth proportional to 861,738,325.20, 1,293,419,302.20 and 453,087,752.40 is: 680,058,467.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    861,738,325.20 : 1,293,419,302.20 = 453,087,752.40 : x
  2. Step 2: Convert to fraction form
    861,738,325.20/1,293,419,302.20 = 453,087,752.40/x
  3. Step 3: Cross multiply
    861,738,325.20x = 1,293,419,302.20 × 453,087,752.40
  4. Step 4: Simplify right side
    861,738,325.20x = 586,032,444,544,574,336
  5. Step 5: Solve for x
    x = 586,032,444,544,574,336/861,738,325.20
  6. Step 6: Final answer
    x = 680,058,467.18

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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.