Home / 757,005,986.88-1,044,644,821.92-426,976,372.80

Finding the Fourth Proportional to 757,005,986.88, 1,044,644,821.92 and 426,976,372.80

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Solution

The fourth proportional to 757,005,986.88, 1,044,644,821.92 and 426,976,372.80 is: 589,214,173.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    757,005,986.88 : 1,044,644,821.92 = 426,976,372.80 : x
  2. Step 2: Convert to fraction form
    757,005,986.88/1,044,644,821.92 = 426,976,372.80/x
  3. Step 3: Cross multiply
    757,005,986.88x = 1,044,644,821.92 × 426,976,372.80
  4. Step 4: Simplify right side
    757,005,986.88x = 446,038,656,927,703,552
  5. Step 5: Solve for x
    x = 446,038,656,927,703,552/757,005,986.88
  6. Step 6: Final answer
    x = 589,214,173.54

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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.