Home / 676,476,768.38-933,522,062.74-398,036,326.46

Finding the Fourth Proportional to 676,476,768.38, 933,522,062.74 and 398,036,326.46

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Solution

The fourth proportional to 676,476,768.38, 933,522,062.74 and 398,036,326.46 is: 549,280,788.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,476,768.38 : 933,522,062.74 = 398,036,326.46 : x
  2. Step 2: Convert to fraction form
    676,476,768.38/933,522,062.74 = 398,036,326.46/x
  3. Step 3: Cross multiply
    676,476,768.38x = 933,522,062.74 × 398,036,326.46
  4. Step 4: Simplify right side
    676,476,768.38x = 371,575,692,516,728,512
  5. Step 5: Solve for x
    x = 371,575,692,516,728,512/676,476,768.38
  6. Step 6: Final answer
    x = 549,280,788.18

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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.