Home / 579,307,084.40-869,968,396.20-307,209,292.40

Finding the Fourth Proportional to 579,307,084.40, 869,968,396.20 and 307,209,292.40

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Solution

The fourth proportional to 579,307,084.40, 869,968,396.20 and 307,209,292.40 is: 461,348,363.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,307,084.40 : 869,968,396.20 = 307,209,292.40 : x
  2. Step 2: Convert to fraction form
    579,307,084.40/869,968,396.20 = 307,209,292.40/x
  3. Step 3: Cross multiply
    579,307,084.40x = 869,968,396.20 × 307,209,292.40
  4. Step 4: Simplify right side
    579,307,084.40x = 267,262,375,406,964,832
  5. Step 5: Solve for x
    x = 267,262,375,406,964,832/579,307,084.40
  6. Step 6: Final answer
    x = 461,348,363.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.