Home / 402,408,166.60-603,612,249.90-292,718,744.20

Finding the Fourth Proportional to 402,408,166.60, 603,612,249.90 and 292,718,744.20

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Solution

The fourth proportional to 402,408,166.60, 603,612,249.90 and 292,718,744.20 is: 439,078,116.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,408,166.60 : 603,612,249.90 = 292,718,744.20 : x
  2. Step 2: Convert to fraction form
    402,408,166.60/603,612,249.90 = 292,718,744.20/x
  3. Step 3: Cross multiply
    402,408,166.60x = 603,612,249.90 × 292,718,744.20
  4. Step 4: Simplify right side
    402,408,166.60x = 176,688,619,774,464,576
  5. Step 5: Solve for x
    x = 176,688,619,774,464,576/402,408,166.60
  6. Step 6: Final answer
    x = 439,078,116.30

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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.