Home / 1,820,288,215.69-2,730,553,398.57-639,725,913.55

Finding the Fourth Proportional to 1,820,288,215.69, 2,730,553,398.57 and 639,725,913.55

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Solution

The fourth proportional to 1,820,288,215.69, 2,730,553,398.57 and 639,725,913.55 is: 959,631,421.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,820,288,215.69 : 2,730,553,398.57 = 639,725,913.55 : x
  2. Step 2: Convert to fraction form
    1,820,288,215.69/2,730,553,398.57 = 639,725,913.55/x
  3. Step 3: Cross multiply
    1,820,288,215.69x = 2,730,553,398.57 × 639,725,913.55
  4. Step 4: Simplify right side
    1,820,288,215.69x = 1,746,805,767,397,250,560
  5. Step 5: Solve for x
    x = 1,746,805,767,397,250,560/1,820,288,215.69
  6. Step 6: Final answer
    x = 959,631,421.19

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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.