Home / 266,298,144,160.59-399,406,856,355.90-72,476,311,834.71

Finding the Fourth Proportional to 266,298,144,160.59, 399,406,856,355.90 and 72,476,311,834.71

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Solution

The fourth proportional to 266,298,144,160.59, 399,406,856,355.90 and 72,476,311,834.71 is: 108,703,483,313.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,298,144,160.59 : 399,406,856,355.90 = 72,476,311,834.71 : x
  2. Step 2: Convert to fraction form
    266,298,144,160.59/399,406,856,355.90 = 72,476,311,834.71/x
  3. Step 3: Cross multiply
    266,298,144,160.59x = 399,406,856,355.90 × 72,476,311,834.71
  4. Step 4: Simplify right side
    266,298,144,160.59x = 28,947,535,870,171,438,645,248
  5. Step 5: Solve for x
    x = 28,947,535,870,171,438,645,248/266,298,144,160.59
  6. Step 6: Final answer
    x = 108,703,483,313.48

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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.