Home / 929,203,738.66-1,393,799,407.80-376,498,012.78

Finding the Fourth Proportional to 929,203,738.66, 1,393,799,407.80 and 376,498,012.78

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Solution

The fourth proportional to 929,203,738.66, 1,393,799,407.80 and 376,498,012.78 is: 564,744,506.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    929,203,738.66 : 1,393,799,407.80 = 376,498,012.78 : x
  2. Step 2: Convert to fraction form
    929,203,738.66/1,393,799,407.80 = 376,498,012.78/x
  3. Step 3: Cross multiply
    929,203,738.66x = 1,393,799,407.80 × 376,498,012.78
  4. Step 4: Simplify right side
    929,203,738.66x = 524,762,707,250,640,768
  5. Step 5: Solve for x
    x = 524,762,707,250,640,768/929,203,738.66
  6. Step 6: Final answer
    x = 564,744,506.96

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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.