Home / 312,689,984,282.22-431,488,496,997.38-175,486,312,030.23

Finding the Fourth Proportional to 312,689,984,282.22, 431,488,496,997.38 and 175,486,312,030.23

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Solution

The fourth proportional to 312,689,984,282.22, 431,488,496,997.38 and 175,486,312,030.23 is: 242,157,820,293.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,689,984,282.22 : 431,488,496,997.38 = 175,486,312,030.23 : x
  2. Step 2: Convert to fraction form
    312,689,984,282.22/431,488,496,997.38 = 175,486,312,030.23/x
  3. Step 3: Cross multiply
    312,689,984,282.22x = 431,488,496,997.38 × 175,486,312,030.23
  4. Step 4: Simplify right side
    312,689,984,282.22x = 75,720,325,021,537,195,261,952
  5. Step 5: Solve for x
    x = 75,720,325,021,537,195,261,952/312,689,984,282.22
  6. Step 6: Final answer
    x = 242,157,820,293.97

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1.5x scale

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.