Home / 18,413,971,353.37-25,411,232,672.28-10,275,689,435.50

Finding the Fourth Proportional to 18,413,971,353.37, 25,411,232,672.28 and 10,275,689,435.50

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Solution

The fourth proportional to 18,413,971,353.37, 25,411,232,672.28 and 10,275,689,435.50 is: 14,180,424,749.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,413,971,353.37 : 25,411,232,672.28 = 10,275,689,435.50 : x
  2. Step 2: Convert to fraction form
    18,413,971,353.37/25,411,232,672.28 = 10,275,689,435.50/x
  3. Step 3: Cross multiply
    18,413,971,353.37x = 25,411,232,672.28 × 10,275,689,435.50
  4. Step 4: Simplify right side
    18,413,971,353.37x = 261,117,935,113,605,414,912
  5. Step 5: Solve for x
    x = 261,117,935,113,605,414,912/18,413,971,353.37
  6. Step 6: Final answer
    x = 14,180,424,749.37

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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.