Home / 1,492,418,078.20-2,238,627,117.30-715,663,912.60

Finding the Fourth Proportional to 1,492,418,078.20, 2,238,627,117.30 and 715,663,912.60

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Solution

The fourth proportional to 1,492,418,078.20, 2,238,627,117.30 and 715,663,912.60 is: 1,073,495,868.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,492,418,078.20 : 2,238,627,117.30 = 715,663,912.60 : x
  2. Step 2: Convert to fraction form
    1,492,418,078.20/2,238,627,117.30 = 715,663,912.60/x
  3. Step 3: Cross multiply
    1,492,418,078.20x = 2,238,627,117.30 × 715,663,912.60
  4. Step 4: Simplify right side
    1,492,418,078.20x = 1,602,104,641,619,377,408
  5. Step 5: Solve for x
    x = 1,602,104,641,619,377,408/1,492,418,078.20
  6. Step 6: Final answer
    x = 1,073,495,868.90

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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.