Home / 1,430,758,183.90-2,146,239,780.95-381,490,891.31

Finding the Fourth Proportional to 1,430,758,183.90, 2,146,239,780.95 and 381,490,891.31

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Solution

The fourth proportional to 1,430,758,183.90, 2,146,239,780.95 and 381,490,891.31 is: 572,263,668.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,430,758,183.90 : 2,146,239,780.95 = 381,490,891.31 : x
  2. Step 2: Convert to fraction form
    1,430,758,183.90/2,146,239,780.95 = 381,490,891.31/x
  3. Step 3: Cross multiply
    1,430,758,183.90x = 2,146,239,780.95 × 381,490,891.31
  4. Step 4: Simplify right side
    1,430,758,183.90x = 818,770,926,988,863,488
  5. Step 5: Solve for x
    x = 818,770,926,988,863,488/1,430,758,183.90
  6. Step 6: Final answer
    x = 572,263,668.46

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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.