Home / 360,685,195,563.98-497,755,289,995.82-212,209,452,852.98

Finding the Fourth Proportional to 360,685,195,563.98, 497,755,289,995.82 and 212,209,452,852.98

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Solution

The fourth proportional to 360,685,195,563.98, 497,755,289,995.82 and 212,209,452,852.98 is: 292,854,763,776.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,685,195,563.98 : 497,755,289,995.82 = 212,209,452,852.98 : x
  2. Step 2: Convert to fraction form
    360,685,195,563.98/497,755,289,995.82 = 212,209,452,852.98/x
  3. Step 3: Cross multiply
    360,685,195,563.98x = 497,755,289,995.82 × 212,209,452,852.98
  4. Step 4: Simplify right side
    360,685,195,563.98x = 105,628,377,744,689,359,486,976
  5. Step 5: Solve for x
    x = 105,628,377,744,689,359,486,976/360,685,195,563.98
  6. Step 6: Final answer
    x = 292,854,763,776.83

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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.