Home / 1,687,879,367.40-2,329,242,697.68-935,189,797.48

Finding the Fourth Proportional to 1,687,879,367.40, 2,329,242,697.68 and 935,189,797.48

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Solution

The fourth proportional to 1,687,879,367.40, 2,329,242,697.68 and 935,189,797.48 is: 1,290,544,839.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,687,879,367.40 : 2,329,242,697.68 = 935,189,797.48 : x
  2. Step 2: Convert to fraction form
    1,687,879,367.40/2,329,242,697.68 = 935,189,797.48/x
  3. Step 3: Cross multiply
    1,687,879,367.40x = 2,329,242,697.68 × 935,189,797.48
  4. Step 4: Simplify right side
    1,687,879,367.40x = 2,178,284,006,725,127,936
  5. Step 5: Solve for x
    x = 2,178,284,006,725,127,936/1,687,879,367.40
  6. Step 6: Final answer
    x = 1,290,544,839.16

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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.