Home / 18,413,971,348.31-25,411,232,665.29-10,275,689,430.44

Finding the Fourth Proportional to 18,413,971,348.31, 25,411,232,665.29 and 10,275,689,430.44

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Solution

The fourth proportional to 18,413,971,348.31, 25,411,232,665.29 and 10,275,689,430.44 is: 14,180,424,742.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,413,971,348.31 : 25,411,232,665.29 = 10,275,689,430.44 : x
  2. Step 2: Convert to fraction form
    18,413,971,348.31/25,411,232,665.29 = 10,275,689,430.44/x
  3. Step 3: Cross multiply
    18,413,971,348.31x = 25,411,232,665.29 × 10,275,689,430.44
  4. Step 4: Simplify right side
    18,413,971,348.31x = 261,117,934,913,162,379,264
  5. Step 5: Solve for x
    x = 261,117,934,913,162,379,264/18,413,971,348.31
  6. Step 6: Final answer
    x = 14,180,424,742.39

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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.