Home / 261,755,452,846.16-392,600,682,315.72-70,542,449,494.46

Finding the Fourth Proportional to 261,755,452,846.16, 392,600,682,315.72 and 70,542,449,494.46

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Solution

The fourth proportional to 261,755,452,846.16, 392,600,682,315.72 and 70,542,449,494.46 is: 105,804,916,392.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,755,452,846.16 : 392,600,682,315.72 = 70,542,449,494.46 : x
  2. Step 2: Convert to fraction form
    261,755,452,846.16/392,600,682,315.72 = 70,542,449,494.46/x
  3. Step 3: Cross multiply
    261,755,452,846.16x = 392,600,682,315.72 × 70,542,449,494.46
  4. Step 4: Simplify right side
    261,755,452,846.16x = 27,695,013,803,747,212,001,280
  5. Step 5: Solve for x
    x = 27,695,013,803,747,212,001,280/261,755,452,846.16
  6. Step 6: Final answer
    x = 105,804,916,392.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.