Home / 360,911,411.45-498,044,861.21-204,275,155.42

Finding the Fourth Proportional to 360,911,411.45, 498,044,861.21 and 204,275,155.42

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Solution

The fourth proportional to 360,911,411.45, 498,044,861.21 and 204,275,155.42 is: 281,892,420.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,911,411.45 : 498,044,861.21 = 204,275,155.42 : x
  2. Step 2: Convert to fraction form
    360,911,411.45/498,044,861.21 = 204,275,155.42/x
  3. Step 3: Cross multiply
    360,911,411.45x = 498,044,861.21 × 204,275,155.42
  4. Step 4: Simplify right side
    360,911,411.45x = 101,738,191,426,293,472
  5. Step 5: Solve for x
    x = 101,738,191,426,293,472/360,911,411.45
  6. Step 6: Final answer
    x = 281,892,420.69

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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.