Home / 783,974,687.60-1,175,962,031.40-209,546,015.60

Finding the Fourth Proportional to 783,974,687.60, 1,175,962,031.40 and 209,546,015.60

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Solution

The fourth proportional to 783,974,687.60, 1,175,962,031.40 and 209,546,015.60 is: 314,319,023.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    783,974,687.60 : 1,175,962,031.40 = 209,546,015.60 : x
  2. Step 2: Convert to fraction form
    783,974,687.60/1,175,962,031.40 = 209,546,015.60/x
  3. Step 3: Cross multiply
    783,974,687.60x = 1,175,962,031.40 × 209,546,015.60
  4. Step 4: Simplify right side
    783,974,687.60x = 246,418,158,176,752,096
  5. Step 5: Solve for x
    x = 246,418,158,176,752,096/783,974,687.60
  6. Step 6: Final answer
    x = 314,319,023.40

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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.