Home / 13,791,877,101.47-19,032,789,671.80-7,448,244,323.63

Finding the Fourth Proportional to 13,791,877,101.47, 19,032,789,671.80 and 7,448,244,323.63

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Solution

The fourth proportional to 13,791,877,101.47, 19,032,789,671.80 and 7,448,244,323.63 is: 10,278,576,773.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,791,877,101.47 : 19,032,789,671.80 = 7,448,244,323.63 : x
  2. Step 2: Convert to fraction form
    13,791,877,101.47/19,032,789,671.80 = 7,448,244,323.63/x
  3. Step 3: Cross multiply
    13,791,877,101.47x = 19,032,789,671.80 × 7,448,244,323.63
  4. Step 4: Simplify right side
    13,791,877,101.47x = 141,760,867,635,717,980,160
  5. Step 5: Solve for x
    x = 141,760,867,635,717,980,160/13,791,877,101.47
  6. Step 6: Final answer
    x = 10,278,576,773.32

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Double scale
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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.