Home / 12,658,752,241.40-18,988,128,362.10-8,299,215,601.40

Finding the Fourth Proportional to 12,658,752,241.40, 18,988,128,362.10 and 8,299,215,601.40

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Solution

The fourth proportional to 12,658,752,241.40, 18,988,128,362.10 and 8,299,215,601.40 is: 12,448,823,402.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,658,752,241.40 : 18,988,128,362.10 = 8,299,215,601.40 : x
  2. Step 2: Convert to fraction form
    12,658,752,241.40/18,988,128,362.10 = 8,299,215,601.40/x
  3. Step 3: Cross multiply
    12,658,752,241.40x = 18,988,128,362.10 × 8,299,215,601.40
  4. Step 4: Simplify right side
    12,658,752,241.40x = 157,586,571,144,126,136,320
  5. Step 5: Solve for x
    x = 157,586,571,144,126,136,320/12,658,752,241.40
  6. Step 6: Final answer
    x = 12,448,823,402.10

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.