Home / 28,732,356,278.40-43,098,534,417.60-18,928,773,609.60

Finding the Fourth Proportional to 28,732,356,278.40, 43,098,534,417.60 and 18,928,773,609.60

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Solution

The fourth proportional to 28,732,356,278.40, 43,098,534,417.60 and 18,928,773,609.60 is: 28,393,160,414.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,732,356,278.40 : 43,098,534,417.60 = 18,928,773,609.60 : x
  2. Step 2: Convert to fraction form
    28,732,356,278.40/43,098,534,417.60 = 18,928,773,609.60/x
  3. Step 3: Cross multiply
    28,732,356,278.40x = 43,098,534,417.60 × 18,928,773,609.60
  4. Step 4: Simplify right side
    28,732,356,278.40x = 815,802,400,896,304,152,576
  5. Step 5: Solve for x
    x = 815,802,400,896,304,152,576/28,732,356,278.40
  6. Step 6: Final answer
    x = 28,393,160,414.40

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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.