Home / 460,811,312.20-691,217,633.40-188,182,079.20

Finding the Fourth Proportional to 460,811,312.20, 691,217,633.40 and 188,182,079.20

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Solution

The fourth proportional to 460,811,312.20, 691,217,633.40 and 188,182,079.20 is: 282,273,390.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,811,312.20 : 691,217,633.40 = 188,182,079.20 : x
  2. Step 2: Convert to fraction form
    460,811,312.20/691,217,633.40 = 188,182,079.20/x
  3. Step 3: Cross multiply
    460,811,312.20x = 691,217,633.40 × 188,182,079.20
  4. Step 4: Simplify right side
    460,811,312.20x = 130,074,771,432,915,360
  5. Step 5: Solve for x
    x = 130,074,771,432,915,360/460,811,312.20
  6. Step 6: Final answer
    x = 282,273,390.41

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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.