Home / 1,390,585,909.26-2,085,879,611.56-517,073,775.46

Finding the Fourth Proportional to 1,390,585,909.26, 2,085,879,611.56 and 517,073,775.46

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Solution

The fourth proportional to 1,390,585,909.26, 2,085,879,611.56 and 517,073,775.46 is: 775,610,941.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,390,585,909.26 : 2,085,879,611.56 = 517,073,775.46 : x
  2. Step 2: Convert to fraction form
    1,390,585,909.26/2,085,879,611.56 = 517,073,775.46/x
  3. Step 3: Cross multiply
    1,390,585,909.26x = 2,085,879,611.56 × 517,073,775.46
  4. Step 4: Simplify right side
    1,390,585,909.26x = 1,078,553,645,904,367,360
  5. Step 5: Solve for x
    x = 1,078,553,645,904,367,360/1,390,585,909.26
  6. Step 6: Final answer
    x = 775,610,941.20

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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.