Home / 498,845,951,998.80-748,268,927,998.20-126,616,172,542.80

Finding the Fourth Proportional to 498,845,951,998.80, 748,268,927,998.20 and 126,616,172,542.80

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Solution

The fourth proportional to 498,845,951,998.80, 748,268,927,998.20 and 126,616,172,542.80 is: 189,924,258,814.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,845,951,998.80 : 748,268,927,998.20 = 126,616,172,542.80 : x
  2. Step 2: Convert to fraction form
    498,845,951,998.80/748,268,927,998.20 = 126,616,172,542.80/x
  3. Step 3: Cross multiply
    498,845,951,998.80x = 748,268,927,998.20 × 126,616,172,542.80
  4. Step 4: Simplify right side
    498,845,951,998.80x = 94,742,947,695,836,075,655,168
  5. Step 5: Solve for x
    x = 94,742,947,695,836,075,655,168/498,845,951,998.80
  6. Step 6: Final answer
    x = 189,924,258,814.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.