Home / 312,689,984,281.44-431,488,496,996.28-175,486,312,029.43

Finding the Fourth Proportional to 312,689,984,281.44, 431,488,496,996.28 and 175,486,312,029.43

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Solution

The fourth proportional to 312,689,984,281.44, 431,488,496,996.28 and 175,486,312,029.43 is: 242,157,820,292.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,689,984,281.44 : 431,488,496,996.28 = 175,486,312,029.43 : x
  2. Step 2: Convert to fraction form
    312,689,984,281.44/431,488,496,996.28 = 175,486,312,029.43/x
  3. Step 3: Cross multiply
    312,689,984,281.44x = 431,488,496,996.28 × 175,486,312,029.43
  4. Step 4: Simplify right side
    312,689,984,281.44x = 75,720,325,020,998,965,395,456
  5. Step 5: Solve for x
    x = 75,720,325,020,998,965,395,456/312,689,984,281.44
  6. Step 6: Final answer
    x = 242,157,820,292.85

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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.