Home / 758,728,726.09-1,046,465,915.65-653,059,113.57

Finding the Fourth Proportional to 758,728,726.09, 1,046,465,915.65 and 653,059,113.57

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Solution

The fourth proportional to 758,728,726.09, 1,046,465,915.65 and 653,059,113.57 is: 900,722,589.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    758,728,726.09 : 1,046,465,915.65 = 653,059,113.57 : x
  2. Step 2: Convert to fraction form
    758,728,726.09/1,046,465,915.65 = 653,059,113.57/x
  3. Step 3: Cross multiply
    758,728,726.09x = 1,046,465,915.65 × 653,059,113.57
  4. Step 4: Simplify right side
    758,728,726.09x = 683,404,103,253,974,784
  5. Step 5: Solve for x
    x = 683,404,103,253,974,784/758,728,726.09
  6. Step 6: Final answer
    x = 900,722,589.98

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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.