Home / 18,413,971,357.59-25,411,232,678.13-10,275,689,439.72

Finding the Fourth Proportional to 18,413,971,357.59, 25,411,232,678.13 and 10,275,689,439.72

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Solution

The fourth proportional to 18,413,971,357.59, 25,411,232,678.13 and 10,275,689,439.72 is: 14,180,424,755.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,413,971,357.59 : 25,411,232,678.13 = 10,275,689,439.72 : x
  2. Step 2: Convert to fraction form
    18,413,971,357.59/25,411,232,678.13 = 10,275,689,439.72/x
  3. Step 3: Cross multiply
    18,413,971,357.59x = 25,411,232,678.13 × 10,275,689,439.72
  4. Step 4: Simplify right side
    18,413,971,357.59x = 261,117,935,280,928,194,560
  5. Step 5: Solve for x
    x = 261,117,935,280,928,194,560/18,413,971,357.59
  6. Step 6: Final answer
    x = 14,180,424,755.21

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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.