Home / 1,042,472,180.18-1,438,639,702.22-613,339,424.53

Finding the Fourth Proportional to 1,042,472,180.18, 1,438,639,702.22 and 613,339,424.53

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Solution

The fourth proportional to 1,042,472,180.18, 1,438,639,702.22 and 613,339,424.53 is: 846,424,934.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,042,472,180.18 : 1,438,639,702.22 = 613,339,424.53 : x
  2. Step 2: Convert to fraction form
    1,042,472,180.18/1,438,639,702.22 = 613,339,424.53/x
  3. Step 3: Cross multiply
    1,042,472,180.18x = 1,438,639,702.22 × 613,339,424.53
  4. Step 4: Simplify right side
    1,042,472,180.18x = 882,374,447,065,625,344
  5. Step 5: Solve for x
    x = 882,374,447,065,625,344/1,042,472,180.18
  6. Step 6: Final answer
    x = 846,424,934.73

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Double scale
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1.5x scale

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.