Home / 641,324,680.61-885,064,528.26-359,064,652.01

Finding the Fourth Proportional to 641,324,680.61, 885,064,528.26 and 359,064,652.01

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Solution

The fourth proportional to 641,324,680.61, 885,064,528.26 and 359,064,652.01 is: 495,529,638.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    641,324,680.61 : 885,064,528.26 = 359,064,652.01 : x
  2. Step 2: Convert to fraction form
    641,324,680.61/885,064,528.26 = 359,064,652.01/x
  3. Step 3: Cross multiply
    641,324,680.61x = 885,064,528.26 × 359,064,652.01
  4. Step 4: Simplify right side
    641,324,680.61x = 317,795,386,846,071,680
  5. Step 5: Solve for x
    x = 317,795,386,846,071,680/641,324,680.61
  6. Step 6: Final answer
    x = 495,529,638.04

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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.