Home / 1,392,367,993.32-2,088,789,931.72-574,032,950.76

Finding the Fourth Proportional to 1,392,367,993.32, 2,088,789,931.72 and 574,032,950.76

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Solution

The fourth proportional to 1,392,367,993.32, 2,088,789,931.72 and 574,032,950.76 is: 861,147,522.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,392,367,993.32 : 2,088,789,931.72 = 574,032,950.76 : x
  2. Step 2: Convert to fraction form
    1,392,367,993.32/2,088,789,931.72 = 574,032,950.76/x
  3. Step 3: Cross multiply
    1,392,367,993.32x = 2,088,789,931.72 × 574,032,950.76
  4. Step 4: Simplify right side
    1,392,367,993.32x = 1,199,034,248,023,010,560
  5. Step 5: Solve for x
    x = 1,199,034,248,023,010,560/1,392,367,993.32
  6. Step 6: Final answer
    x = 861,147,522.62

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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.