Home / 3,915,482,855-5,403,496,857.84-2,199,134,475.64

Finding the Fourth Proportional to 3,915,482,855, 5,403,496,857.84 and 2,199,134,475.64

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Solution

The fourth proportional to 3,915,482,855, 5,403,496,857.84 and 2,199,134,475.64 is: 3,034,878,881.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,915,482,855 : 5,403,496,857.84 = 2,199,134,475.64 : x
  2. Step 2: Convert to fraction form
    3,915,482,855/5,403,496,857.84 = 2,199,134,475.64/x
  3. Step 3: Cross multiply
    3,915,482,855x = 5,403,496,857.84 × 2,199,134,475.64
  4. Step 4: Simplify right side
    3,915,482,855x = 11,883,016,229,088,356,352
  5. Step 5: Solve for x
    x = 11,883,016,229,088,356,352/3,915,482,855
  6. Step 6: Final answer
    x = 3,034,878,881.90

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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.