Home / 932,515,719.45-1,398,754,370.83-310,776,102.51

Finding the Fourth Proportional to 932,515,719.45, 1,398,754,370.83 and 310,776,102.51

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Solution

The fourth proportional to 932,515,719.45, 1,398,754,370.83 and 310,776,102.51 is: 466,157,752.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    932,515,719.45 : 1,398,754,370.83 = 310,776,102.51 : x
  2. Step 2: Convert to fraction form
    932,515,719.45/1,398,754,370.83 = 310,776,102.51/x
  3. Step 3: Cross multiply
    932,515,719.45x = 1,398,754,370.83 × 310,776,102.51
  4. Step 4: Simplify right side
    932,515,719.45x = 434,699,431,735,374,592
  5. Step 5: Solve for x
    x = 434,699,431,735,374,592/932,515,719.45
  6. Step 6: Final answer
    x = 466,157,752.27

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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.