Home / 312,689,984,283.10-431,488,496,998.59-175,486,312,031.11

Finding the Fourth Proportional to 312,689,984,283.10, 431,488,496,998.59 and 175,486,312,031.11

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Solution

The fourth proportional to 312,689,984,283.10, 431,488,496,998.59 and 175,486,312,031.11 is: 242,157,820,295.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,689,984,283.10 : 431,488,496,998.59 = 175,486,312,031.11 : x
  2. Step 2: Convert to fraction form
    312,689,984,283.10/431,488,496,998.59 = 175,486,312,031.11/x
  3. Step 3: Cross multiply
    312,689,984,283.10x = 431,488,496,998.59 × 175,486,312,031.11
  4. Step 4: Simplify right side
    312,689,984,283.10x = 75,720,325,022,129,229,660,160
  5. Step 5: Solve for x
    x = 75,720,325,022,129,229,660,160/312,689,984,283.10
  6. Step 6: Final answer
    x = 242,157,820,295.18

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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.