Home / 1,813,188,985.62-2,720,338,543.62-928,500,737.58

Finding the Fourth Proportional to 1,813,188,985.62, 2,720,338,543.62 and 928,500,737.58

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Solution

The fourth proportional to 1,813,188,985.62, 2,720,338,543.62 and 928,500,737.58 is: 1,393,035,345.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,813,188,985.62 : 2,720,338,543.62 = 928,500,737.58 : x
  2. Step 2: Convert to fraction form
    1,813,188,985.62/2,720,338,543.62 = 928,500,737.58/x
  3. Step 3: Cross multiply
    1,813,188,985.62x = 2,720,338,543.62 × 928,500,737.58
  4. Step 4: Simplify right side
    1,813,188,985.62x = 2,525,836,344,218,472,960
  5. Step 5: Solve for x
    x = 2,525,836,344,218,472,960/1,813,188,985.62
  6. Step 6: Final answer
    x = 1,393,035,345.05

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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.