Home / 13,269,316,909.45-18,311,536,037.23-7,247,820,507.07

Finding the Fourth Proportional to 13,269,316,909.45, 18,311,536,037.23 and 7,247,820,507.07

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Solution

The fourth proportional to 13,269,316,909.45, 18,311,536,037.23 and 7,247,820,507.07 is: 10,001,926,045.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,269,316,909.45 : 18,311,536,037.23 = 7,247,820,507.07 : x
  2. Step 2: Convert to fraction form
    13,269,316,909.45/18,311,536,037.23 = 7,247,820,507.07/x
  3. Step 3: Cross multiply
    13,269,316,909.45x = 18,311,536,037.23 × 7,247,820,507.07
  4. Step 4: Simplify right side
    13,269,316,909.45x = 132,718,726,406,586,908,672
  5. Step 5: Solve for x
    x = 132,718,726,406,586,908,672/13,269,316,909.45
  6. Step 6: Final answer
    x = 10,001,926,045.80

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.