Home / 18,278,365,130.16-25,227,761,330.15-11,856,144,112.93

Finding the Fourth Proportional to 18,278,365,130.16, 25,227,761,330.15 and 11,856,144,112.93

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Solution

The fourth proportional to 18,278,365,130.16, 25,227,761,330.15 and 11,856,144,112.93 is: 16,363,825,311.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,278,365,130.16 : 25,227,761,330.15 = 11,856,144,112.93 : x
  2. Step 2: Convert to fraction form
    18,278,365,130.16/25,227,761,330.15 = 11,856,144,112.93/x
  3. Step 3: Cross multiply
    18,278,365,130.16x = 25,227,761,330.15 × 11,856,144,112.93
  4. Step 4: Simplify right side
    18,278,365,130.16x = 299,103,973,976,801,738,752
  5. Step 5: Solve for x
    x = 299,103,973,976,801,738,752/18,278,365,130.16
  6. Step 6: Final answer
    x = 16,363,825,311.89

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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.