Home / 637,744,879,343.39-956,618,239,701.02-260,436,670,451.46

Finding the Fourth Proportional to 637,744,879,343.39, 956,618,239,701.02 and 260,436,670,451.46

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Solution

The fourth proportional to 637,744,879,343.39, 956,618,239,701.02 and 260,436,670,451.46 is: 390,655,381,658.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,744,879,343.39 : 956,618,239,701.02 = 260,436,670,451.46 : x
  2. Step 2: Convert to fraction form
    637,744,879,343.39/956,618,239,701.02 = 260,436,670,451.46/x
  3. Step 3: Cross multiply
    637,744,879,343.39x = 956,618,239,701.02 × 260,436,670,451.46
  4. Step 4: Simplify right side
    637,744,879,343.39x = 249,138,469,240,870,302,384,128
  5. Step 5: Solve for x
    x = 249,138,469,240,870,302,384,128/637,744,879,343.39
  6. Step 6: Final answer
    x = 390,655,381,658.85

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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.