Home / 676,477,291.50-933,522,784.65-398,036,849.58

Finding the Fourth Proportional to 676,477,291.50, 933,522,784.65 and 398,036,849.58

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Solution

The fourth proportional to 676,477,291.50, 933,522,784.65 and 398,036,849.58 is: 549,281,510.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,477,291.50 : 933,522,784.65 = 398,036,849.58 : x
  2. Step 2: Convert to fraction form
    676,477,291.50/933,522,784.65 = 398,036,849.58/x
  3. Step 3: Cross multiply
    676,477,291.50x = 933,522,784.65 × 398,036,849.58
  4. Step 4: Simplify right side
    676,477,291.50x = 371,576,468,213,234,752
  5. Step 5: Solve for x
    x = 371,576,468,213,234,752/676,477,291.50
  6. Step 6: Final answer
    x = 549,281,510.08

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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.