Home / 1,259,746,622.10-1,889,619,933.15-398,103,614.10

Finding the Fourth Proportional to 1,259,746,622.10, 1,889,619,933.15 and 398,103,614.10

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Solution

The fourth proportional to 1,259,746,622.10, 1,889,619,933.15 and 398,103,614.10 is: 597,155,421.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,259,746,622.10 : 1,889,619,933.15 = 398,103,614.10 : x
  2. Step 2: Convert to fraction form
    1,259,746,622.10/1,889,619,933.15 = 398,103,614.10/x
  3. Step 3: Cross multiply
    1,259,746,622.10x = 1,889,619,933.15 × 398,103,614.10
  4. Step 4: Simplify right side
    1,259,746,622.10x = 752,264,524,662,415,488
  5. Step 5: Solve for x
    x = 752,264,524,662,415,488/1,259,746,622.10
  6. Step 6: Final answer
    x = 597,155,421.15

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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.