Home / 3,915,482,848.50-5,403,496,848.86-2,199,134,469.13

Finding the Fourth Proportional to 3,915,482,848.50, 5,403,496,848.86 and 2,199,134,469.13

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Solution

The fourth proportional to 3,915,482,848.50, 5,403,496,848.86 and 2,199,134,469.13 is: 3,034,878,872.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,915,482,848.50 : 5,403,496,848.86 = 2,199,134,469.13 : x
  2. Step 2: Convert to fraction form
    3,915,482,848.50/5,403,496,848.86 = 2,199,134,469.13/x
  3. Step 3: Cross multiply
    3,915,482,848.50x = 5,403,496,848.86 × 2,199,134,469.13
  4. Step 4: Simplify right side
    3,915,482,848.50x = 11,883,016,174,163,363,840
  5. Step 5: Solve for x
    x = 11,883,016,174,163,363,840/3,915,482,848.50
  6. Step 6: Final answer
    x = 3,034,878,872.91

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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.