Home / 27,652,310,864.70-38,159,782,878.81-15,445,194,128.95

Finding the Fourth Proportional to 27,652,310,864.70, 38,159,782,878.81 and 15,445,194,128.95

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Solution

The fourth proportional to 27,652,310,864.70, 38,159,782,878.81 and 15,445,194,128.95 is: 21,314,141,062.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,652,310,864.70 : 38,159,782,878.81 = 15,445,194,128.95 : x
  2. Step 2: Convert to fraction form
    27,652,310,864.70/38,159,782,878.81 = 15,445,194,128.95/x
  3. Step 3: Cross multiply
    27,652,310,864.70x = 38,159,782,878.81 × 15,445,194,128.95
  4. Step 4: Simplify right side
    27,652,310,864.70x = 589,385,254,481,802,952,704
  5. Step 5: Solve for x
    x = 589,385,254,481,802,952,704/27,652,310,864.70
  6. Step 6: Final answer
    x = 21,314,141,062.77

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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.