Home / 18,413,971,358.59-25,411,232,679.51-10,275,689,440.72

Finding the Fourth Proportional to 18,413,971,358.59, 25,411,232,679.51 and 10,275,689,440.72

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Solution

The fourth proportional to 18,413,971,358.59, 25,411,232,679.51 and 10,275,689,440.72 is: 14,180,424,756.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,413,971,358.59 : 25,411,232,679.51 = 10,275,689,440.72 : x
  2. Step 2: Convert to fraction form
    18,413,971,358.59/25,411,232,679.51 = 10,275,689,440.72/x
  3. Step 3: Cross multiply
    18,413,971,358.59x = 25,411,232,679.51 × 10,275,689,440.72
  4. Step 4: Simplify right side
    18,413,971,358.59x = 261,117,935,320,519,868,416
  5. Step 5: Solve for x
    x = 261,117,935,320,519,868,416/18,413,971,358.59
  6. Step 6: Final answer
    x = 14,180,424,756.59

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Double scale
Find fourth proportional to 18,413,971,359.59, 25,411,232,680.89 and 10,275,689,441.72
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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.