Home / 932,442,431.34-1,286,754,214.59-514,743,972.78

Finding the Fourth Proportional to 932,442,431.34, 1,286,754,214.59 and 514,743,972.78

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Solution

The fourth proportional to 932,442,431.34, 1,286,754,214.59 and 514,743,972.78 is: 710,337,661.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    932,442,431.34 : 1,286,754,214.59 = 514,743,972.78 : x
  2. Step 2: Convert to fraction form
    932,442,431.34/1,286,754,214.59 = 514,743,972.78/x
  3. Step 3: Cross multiply
    932,442,431.34x = 1,286,754,214.59 × 514,743,972.78
  4. Step 4: Simplify right side
    932,442,431.34x = 662,348,976,409,465,216
  5. Step 5: Solve for x
    x = 662,348,976,409,465,216/932,442,431.34
  6. Step 6: Final answer
    x = 710,337,661.77

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Double scale
Find fourth proportional to 932,442,432.34, 1,286,754,215.97 and 514,743,973.78
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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.