Home / 224,412,480,571.48-309,689,390,153.86-121,530,398,871.72

Finding the Fourth Proportional to 224,412,480,571.48, 309,689,390,153.86 and 121,530,398,871.72

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Solution

The fourth proportional to 224,412,480,571.48, 309,689,390,153.86 and 121,530,398,871.72 is: 167,712,040,862.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,412,480,571.48 : 309,689,390,153.86 = 121,530,398,871.72 : x
  2. Step 2: Convert to fraction form
    224,412,480,571.48/309,689,390,153.86 = 121,530,398,871.72/x
  3. Step 3: Cross multiply
    224,412,480,571.48x = 309,689,390,153.86 × 121,530,398,871.72
  4. Step 4: Simplify right side
    224,412,480,571.48x = 37,636,675,111,738,318,782,464
  5. Step 5: Solve for x
    x = 37,636,675,111,738,318,782,464/224,412,480,571.48
  6. Step 6: Final answer
    x = 167,712,040,862.85

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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.