Home / 676,477,283.88-933,522,774.18-398,036,841.96

Finding the Fourth Proportional to 676,477,283.88, 933,522,774.18 and 398,036,841.96

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Solution

The fourth proportional to 676,477,283.88, 933,522,774.18 and 398,036,841.96 is: 549,281,499.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,477,283.88 : 933,522,774.18 = 398,036,841.96 : x
  2. Step 2: Convert to fraction form
    676,477,283.88/933,522,774.18 = 398,036,841.96/x
  3. Step 3: Cross multiply
    676,477,283.88x = 933,522,774.18 × 398,036,841.96
  4. Step 4: Simplify right side
    676,477,283.88x = 371,576,456,932,345,408
  5. Step 5: Solve for x
    x = 371,576,456,932,345,408/676,477,283.88
  6. Step 6: Final answer
    x = 549,281,499.60

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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.