Home / 22,909,893,020.40-31,618,404,667.20-13,877,386,100.20

Finding the Fourth Proportional to 22,909,893,020.40, 31,618,404,667.20 and 13,877,386,100.20

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Solution

The fourth proportional to 22,909,893,020.40, 31,618,404,667.20 and 13,877,386,100.20 is: 19,152,459,989.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,909,893,020.40 : 31,618,404,667.20 = 13,877,386,100.20 : x
  2. Step 2: Convert to fraction form
    22,909,893,020.40/31,618,404,667.20 = 13,877,386,100.20/x
  3. Step 3: Cross multiply
    22,909,893,020.40x = 31,618,404,667.20 × 13,877,386,100.20
  4. Step 4: Simplify right side
    22,909,893,020.40x = 438,780,809,439,100,141,568
  5. Step 5: Solve for x
    x = 438,780,809,439,100,141,568/22,909,893,020.40
  6. Step 6: Final answer
    x = 19,152,459,989.59

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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.