Home / 402,408,164.60-603,612,246.90-292,718,742.20

Finding the Fourth Proportional to 402,408,164.60, 603,612,246.90 and 292,718,742.20

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Solution

The fourth proportional to 402,408,164.60, 603,612,246.90 and 292,718,742.20 is: 439,078,113.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,408,164.60 : 603,612,246.90 = 292,718,742.20 : x
  2. Step 2: Convert to fraction form
    402,408,164.60/603,612,246.90 = 292,718,742.20/x
  3. Step 3: Cross multiply
    402,408,164.60x = 603,612,246.90 × 292,718,742.20
  4. Step 4: Simplify right side
    402,408,164.60x = 176,688,617,689,083,840
  5. Step 5: Solve for x
    x = 176,688,617,689,083,840/402,408,164.60
  6. Step 6: Final answer
    x = 439,078,113.30

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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.