Home / 18,413,971,354.12-25,411,232,673.32-10,275,689,436.26

Finding the Fourth Proportional to 18,413,971,354.12, 25,411,232,673.32 and 10,275,689,436.26

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Solution

The fourth proportional to 18,413,971,354.12, 25,411,232,673.32 and 10,275,689,436.26 is: 14,180,424,750.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,413,971,354.12 : 25,411,232,673.32 = 10,275,689,436.26 : x
  2. Step 2: Convert to fraction form
    18,413,971,354.12/25,411,232,673.32 = 10,275,689,436.26/x
  3. Step 3: Cross multiply
    18,413,971,354.12x = 25,411,232,673.32 × 10,275,689,436.26
  4. Step 4: Simplify right side
    18,413,971,354.12x = 261,117,935,143,400,800,256
  5. Step 5: Solve for x
    x = 261,117,935,143,400,800,256/18,413,971,354.12
  6. Step 6: Final answer
    x = 14,180,424,750.42

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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.