Home / 986,187,672.95-1,360,939,722.42-534,069,149.89

Finding the Fourth Proportional to 986,187,672.95, 1,360,939,722.42 and 534,069,149.89

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Solution

The fourth proportional to 986,187,672.95, 1,360,939,722.42 and 534,069,149.89 is: 737,015,824.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    986,187,672.95 : 1,360,939,722.42 = 534,069,149.89 : x
  2. Step 2: Convert to fraction form
    986,187,672.95/1,360,939,722.42 = 534,069,149.89/x
  3. Step 3: Cross multiply
    986,187,672.95x = 1,360,939,722.42 × 534,069,149.89
  4. Step 4: Simplify right side
    986,187,672.95x = 726,835,920,604,381,952
  5. Step 5: Solve for x
    x = 726,835,920,604,381,952/986,187,672.95
  6. Step 6: Final answer
    x = 737,015,824.21

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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.