Home / 1,058,508,003.70-1,587,762,005.55-947,543,122.90

Finding the Fourth Proportional to 1,058,508,003.70, 1,587,762,005.55 and 947,543,122.90

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Solution

The fourth proportional to 1,058,508,003.70, 1,587,762,005.55 and 947,543,122.90 is: 1,421,314,684.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,058,508,003.70 : 1,587,762,005.55 = 947,543,122.90 : x
  2. Step 2: Convert to fraction form
    1,058,508,003.70/1,587,762,005.55 = 947,543,122.90/x
  3. Step 3: Cross multiply
    1,058,508,003.70x = 1,587,762,005.55 × 947,543,122.90
  4. Step 4: Simplify right side
    1,058,508,003.70x = 1,504,472,969,160,814,080
  5. Step 5: Solve for x
    x = 1,504,472,969,160,814,080/1,058,508,003.70
  6. Step 6: Final answer
    x = 1,421,314,684.35

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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.