Home / 20,102,938,708.10-30,154,408,062.15-5,380,960,126.10

Finding the Fourth Proportional to 20,102,938,708.10, 30,154,408,062.15 and 5,380,960,126.10

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Solution

The fourth proportional to 20,102,938,708.10, 30,154,408,062.15 and 5,380,960,126.10 is: 8,071,440,189.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,102,938,708.10 : 30,154,408,062.15 = 5,380,960,126.10 : x
  2. Step 2: Convert to fraction form
    20,102,938,708.10/30,154,408,062.15 = 5,380,960,126.10/x
  3. Step 3: Cross multiply
    20,102,938,708.10x = 30,154,408,062.15 × 5,380,960,126.10
  4. Step 4: Simplify right side
    20,102,938,708.10x = 162,259,667,408,577,527,808
  5. Step 5: Solve for x
    x = 162,259,667,408,577,527,808/20,102,938,708.10
  6. Step 6: Final answer
    x = 8,071,440,189.15

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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.