Home / 165,230,472,860.80-247,906,931,294.40-65,928,383,670.40

Finding the Fourth Proportional to 165,230,472,860.80, 247,906,931,294.40 and 65,928,383,670.40

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Solution

The fourth proportional to 165,230,472,860.80, 247,906,931,294.40 and 65,928,383,670.40 is: 98,917,003,612.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,230,472,860.80 : 247,906,931,294.40 = 65,928,383,670.40 : x
  2. Step 2: Convert to fraction form
    165,230,472,860.80/247,906,931,294.40 = 65,928,383,670.40/x
  3. Step 3: Cross multiply
    165,230,472,860.80x = 247,906,931,294.40 × 65,928,383,670.40
  4. Step 4: Simplify right side
    165,230,472,860.80x = 16,344,103,280,928,696,041,472
  5. Step 5: Solve for x
    x = 16,344,103,280,928,696,041,472/165,230,472,860.80
  6. Step 6: Final answer
    x = 98,917,003,612.87

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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.