Home / 312,689,984,283.22-431,488,496,998.77-175,486,312,031.23

Finding the Fourth Proportional to 312,689,984,283.22, 431,488,496,998.77 and 175,486,312,031.23

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Solution

The fourth proportional to 312,689,984,283.22, 431,488,496,998.77 and 175,486,312,031.23 is: 242,157,820,295.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,689,984,283.22 : 431,488,496,998.77 = 175,486,312,031.23 : x
  2. Step 2: Convert to fraction form
    312,689,984,283.22/431,488,496,998.77 = 175,486,312,031.23/x
  3. Step 3: Cross multiply
    312,689,984,283.22x = 431,488,496,998.77 × 175,486,312,031.23
  4. Step 4: Simplify right side
    312,689,984,283.22x = 75,720,325,022,212,612,423,680
  5. Step 5: Solve for x
    x = 75,720,325,022,212,612,423,680/312,689,984,283.22
  6. Step 6: Final answer
    x = 242,157,820,295.35

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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.