Home / 756,556,897.43-1,044,074,440.62-438,993,220.74

Finding the Fourth Proportional to 756,556,897.43, 1,044,074,440.62 and 438,993,220.74

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Solution

The fourth proportional to 756,556,897.43, 1,044,074,440.62 and 438,993,220.74 is: 605,825,686.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,556,897.43 : 1,044,074,440.62 = 438,993,220.74 : x
  2. Step 2: Convert to fraction form
    756,556,897.43/1,044,074,440.62 = 438,993,220.74/x
  3. Step 3: Cross multiply
    756,556,897.43x = 1,044,074,440.62 × 438,993,220.74
  4. Step 4: Simplify right side
    756,556,897.43x = 458,341,601,380,087,680
  5. Step 5: Solve for x
    x = 458,341,601,380,087,680/756,556,897.43
  6. Step 6: Final answer
    x = 605,825,686.00

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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.