Home / 2,556,138,697.20-3,834,208,045.80-1,178,643,625.20

Finding the Fourth Proportional to 2,556,138,697.20, 3,834,208,045.80 and 1,178,643,625.20

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Solution

The fourth proportional to 2,556,138,697.20, 3,834,208,045.80 and 1,178,643,625.20 is: 1,767,965,437.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,556,138,697.20 : 3,834,208,045.80 = 1,178,643,625.20 : x
  2. Step 2: Convert to fraction form
    2,556,138,697.20/3,834,208,045.80 = 1,178,643,625.20/x
  3. Step 3: Cross multiply
    2,556,138,697.20x = 3,834,208,045.80 × 1,178,643,625.20
  4. Step 4: Simplify right side
    2,556,138,697.20x = 4,519,164,870,872,719,872
  5. Step 5: Solve for x
    x = 4,519,164,870,872,719,872/2,556,138,697.20
  6. Step 6: Final answer
    x = 1,767,965,437.80

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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.