Home / 13,269,316,908.74-18,311,536,036.24-7,247,820,506.35

Finding the Fourth Proportional to 13,269,316,908.74, 18,311,536,036.24 and 7,247,820,506.35

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Solution

The fourth proportional to 13,269,316,908.74, 18,311,536,036.24 and 7,247,820,506.35 is: 10,001,926,044.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,269,316,908.74 : 18,311,536,036.24 = 7,247,820,506.35 : x
  2. Step 2: Convert to fraction form
    13,269,316,908.74/18,311,536,036.24 = 7,247,820,506.35/x
  3. Step 3: Cross multiply
    13,269,316,908.74x = 18,311,536,036.24 × 7,247,820,506.35
  4. Step 4: Simplify right side
    13,269,316,908.74x = 132,718,726,386,251,218,944
  5. Step 5: Solve for x
    x = 132,718,726,386,251,218,944/13,269,316,908.74
  6. Step 6: Final answer
    x = 10,001,926,044.81

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Double scale
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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.