Home / 1,238,922,321.50-1,857,704,225.03-491,180,599.89

Finding the Fourth Proportional to 1,238,922,321.50, 1,857,704,225.03 and 491,180,599.89

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Solution

The fourth proportional to 1,238,922,321.50, 1,857,704,225.03 and 491,180,599.89 is: 736,501,602.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,238,922,321.50 : 1,857,704,225.03 = 491,180,599.89 : x
  2. Step 2: Convert to fraction form
    1,238,922,321.50/1,857,704,225.03 = 491,180,599.89/x
  3. Step 3: Cross multiply
    1,238,922,321.50x = 1,857,704,225.03 × 491,180,599.89
  4. Step 4: Simplify right side
    1,238,922,321.50x = 912,468,275,667,784,448
  5. Step 5: Solve for x
    x = 912,468,275,667,784,448/1,238,922,321.50
  6. Step 6: Final answer
    x = 736,501,602.91

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Double scale
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1.5x scale

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.