Home / 12,399,157,440.90-18,598,736,161.35-7,440,175,181.70

Finding the Fourth Proportional to 12,399,157,440.90, 18,598,736,161.35 and 7,440,175,181.70

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Solution

The fourth proportional to 12,399,157,440.90, 18,598,736,161.35 and 7,440,175,181.70 is: 11,160,262,772.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,399,157,440.90 : 18,598,736,161.35 = 7,440,175,181.70 : x
  2. Step 2: Convert to fraction form
    12,399,157,440.90/18,598,736,161.35 = 7,440,175,181.70/x
  3. Step 3: Cross multiply
    12,399,157,440.90x = 18,598,736,161.35 × 7,440,175,181.70
  4. Step 4: Simplify right side
    12,399,157,440.90x = 138,377,855,198,662,574,080
  5. Step 5: Solve for x
    x = 138,377,855,198,662,574,080/12,399,157,440.90
  6. Step 6: Final answer
    x = 11,160,262,772.55

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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.