Home / 18,413,971,350.56-25,411,232,668.40-10,275,689,432.69

Finding the Fourth Proportional to 18,413,971,350.56, 25,411,232,668.40 and 10,275,689,432.69

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Solution

The fourth proportional to 18,413,971,350.56, 25,411,232,668.40 and 10,275,689,432.69 is: 14,180,424,745.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,413,971,350.56 : 25,411,232,668.40 = 10,275,689,432.69 : x
  2. Step 2: Convert to fraction form
    18,413,971,350.56/25,411,232,668.40 = 10,275,689,432.69/x
  3. Step 3: Cross multiply
    18,413,971,350.56x = 25,411,232,668.40 × 10,275,689,432.69
  4. Step 4: Simplify right side
    18,413,971,350.56x = 261,117,935,002,208,534,528
  5. Step 5: Solve for x
    x = 261,117,935,002,208,534,528/18,413,971,350.56
  6. Step 6: Final answer
    x = 14,180,424,745.49

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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.