Home / 12,399,157,360.65-18,598,736,040.98-7,440,175,101.45

Finding the Fourth Proportional to 12,399,157,360.65, 18,598,736,040.98 and 7,440,175,101.45

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Solution

The fourth proportional to 12,399,157,360.65, 18,598,736,040.98 and 7,440,175,101.45 is: 11,160,262,652.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,399,157,360.65 : 18,598,736,040.98 = 7,440,175,101.45 : x
  2. Step 2: Convert to fraction form
    12,399,157,360.65/18,598,736,040.98 = 7,440,175,101.45/x
  3. Step 3: Cross multiply
    12,399,157,360.65x = 18,598,736,040.98 × 7,440,175,101.45
  4. Step 4: Simplify right side
    12,399,157,360.65x = 138,377,852,810,502,930,432
  5. Step 5: Solve for x
    x = 138,377,852,810,502,930,432/12,399,157,360.65
  6. Step 6: Final answer
    x = 11,160,262,652.18

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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.