Home / 1,820,719,737.86-2,512,593,207.73-985,344,308.45

Finding the Fourth Proportional to 1,820,719,737.86, 2,512,593,207.73 and 985,344,308.45

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Solution

The fourth proportional to 1,820,719,737.86, 2,512,593,207.73 and 985,344,308.45 is: 1,359,775,129.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,820,719,737.86 : 2,512,593,207.73 = 985,344,308.45 : x
  2. Step 2: Convert to fraction form
    1,820,719,737.86/2,512,593,207.73 = 985,344,308.45/x
  3. Step 3: Cross multiply
    1,820,719,737.86x = 2,512,593,207.73 × 985,344,308.45
  4. Step 4: Simplify right side
    1,820,719,737.86x = 2,475,769,416,684,925,952
  5. Step 5: Solve for x
    x = 2,475,769,416,684,925,952/1,820,719,737.86
  6. Step 6: Final answer
    x = 1,359,775,129.15

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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.