Home / 1,820,288,214.69-2,730,553,397.07-639,725,912.55

Finding the Fourth Proportional to 1,820,288,214.69, 2,730,553,397.07 and 639,725,912.55

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Solution

The fourth proportional to 1,820,288,214.69, 2,730,553,397.07 and 639,725,912.55 is: 959,631,419.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,820,288,214.69 : 2,730,553,397.07 = 639,725,912.55 : x
  2. Step 2: Convert to fraction form
    1,820,288,214.69/2,730,553,397.07 = 639,725,912.55/x
  3. Step 3: Cross multiply
    1,820,288,214.69x = 2,730,553,397.07 × 639,725,912.55
  4. Step 4: Simplify right side
    1,820,288,214.69x = 1,746,805,763,707,108,352
  5. Step 5: Solve for x
    x = 1,746,805,763,707,108,352/1,820,288,214.69
  6. Step 6: Final answer
    x = 959,631,419.69

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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.