Home / 1,441,229,492.64-1,988,899,630.56-781,180,217.76

Finding the Fourth Proportional to 1,441,229,492.64, 1,988,899,630.56 and 781,180,217.76

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Solution

The fourth proportional to 1,441,229,492.64, 1,988,899,630.56 and 781,180,217.76 is: 1,078,030,289.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,441,229,492.64 : 1,988,899,630.56 = 781,180,217.76 : x
  2. Step 2: Convert to fraction form
    1,441,229,492.64/1,988,899,630.56 = 781,180,217.76/x
  3. Step 3: Cross multiply
    1,441,229,492.64x = 1,988,899,630.56 × 781,180,217.76
  4. Step 4: Simplify right side
    1,441,229,492.64x = 1,553,689,046,503,644,160
  5. Step 5: Solve for x
    x = 1,553,689,046,503,644,160/1,441,229,492.64
  6. Step 6: Final answer
    x = 1,078,030,289.03

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1.5x scale

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.