Home / 646,637,302.24-892,359,834.40-349,279,542.56

Finding the Fourth Proportional to 646,637,302.24, 892,359,834.40 and 349,279,542.56

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Solution

The fourth proportional to 646,637,302.24, 892,359,834.40 and 349,279,542.56 is: 482,005,961.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,637,302.24 : 892,359,834.40 = 349,279,542.56 : x
  2. Step 2: Convert to fraction form
    646,637,302.24/892,359,834.40 = 349,279,542.56/x
  3. Step 3: Cross multiply
    646,637,302.24x = 892,359,834.40 × 349,279,542.56
  4. Step 4: Simplify right side
    646,637,302.24x = 311,683,034,758,149,376
  5. Step 5: Solve for x
    x = 311,683,034,758,149,376/646,637,302.24
  6. Step 6: Final answer
    x = 482,005,961.73

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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.