Home / 18,420,585,797.89-25,420,408,204.27-9,962,409,575.14

Finding the Fourth Proportional to 18,420,585,797.89, 25,420,408,204.27 and 9,962,409,575.14

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Solution

The fourth proportional to 18,420,585,797.89, 25,420,408,204.27 and 9,962,409,575.14 is: 13,748,125,107.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,420,585,797.89 : 25,420,408,204.27 = 9,962,409,575.14 : x
  2. Step 2: Convert to fraction form
    18,420,585,797.89/25,420,408,204.27 = 9,962,409,575.14/x
  3. Step 3: Cross multiply
    18,420,585,797.89x = 25,420,408,204.27 × 9,962,409,575.14
  4. Step 4: Simplify right side
    18,420,585,797.89x = 253,248,518,098,182,569,984
  5. Step 5: Solve for x
    x = 253,248,518,098,182,569,984/18,420,585,797.89
  6. Step 6: Final answer
    x = 13,748,125,107.24

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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.