Home / 9,000,425,191.92-12,419,408,894.04-5,190,088,877.52

Finding the Fourth Proportional to 9,000,425,191.92, 12,419,408,894.04 and 5,190,088,877.52

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Solution

The fourth proportional to 9,000,425,191.92, 12,419,408,894.04 and 5,190,088,877.52 is: 7,161,643,432.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,000,425,191.92 : 12,419,408,894.04 = 5,190,088,877.52 : x
  2. Step 2: Convert to fraction form
    9,000,425,191.92/12,419,408,894.04 = 5,190,088,877.52/x
  3. Step 3: Cross multiply
    9,000,425,191.92x = 12,419,408,894.04 × 5,190,088,877.52
  4. Step 4: Simplify right side
    9,000,425,191.92x = 64,457,835,966,329,978,880
  5. Step 5: Solve for x
    x = 64,457,835,966,329,978,880/9,000,425,191.92
  6. Step 6: Final answer
    x = 7,161,643,432.60

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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.