Home / 1,058,508,004.20-1,587,762,006.30-947,543,123.40

Finding the Fourth Proportional to 1,058,508,004.20, 1,587,762,006.30 and 947,543,123.40

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Solution

The fourth proportional to 1,058,508,004.20, 1,587,762,006.30 and 947,543,123.40 is: 1,421,314,685.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,058,508,004.20 : 1,587,762,006.30 = 947,543,123.40 : x
  2. Step 2: Convert to fraction form
    1,058,508,004.20/1,587,762,006.30 = 947,543,123.40/x
  3. Step 3: Cross multiply
    1,058,508,004.20x = 1,587,762,006.30 × 947,543,123.40
  4. Step 4: Simplify right side
    1,058,508,004.20x = 1,504,472,970,665,352,448
  5. Step 5: Solve for x
    x = 1,504,472,970,665,352,448/1,058,508,004.20
  6. Step 6: Final answer
    x = 1,421,314,685.10

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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.