Home / 28,732,356,281.40-43,098,534,422.10-18,928,773,612.60

Finding the Fourth Proportional to 28,732,356,281.40, 43,098,534,422.10 and 18,928,773,612.60

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Solution

The fourth proportional to 28,732,356,281.40, 43,098,534,422.10 and 18,928,773,612.60 is: 28,393,160,418.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,732,356,281.40 : 43,098,534,422.10 = 18,928,773,612.60 : x
  2. Step 2: Convert to fraction form
    28,732,356,281.40/43,098,534,422.10 = 18,928,773,612.60/x
  3. Step 3: Cross multiply
    28,732,356,281.40x = 43,098,534,422.10 × 18,928,773,612.60
  4. Step 4: Simplify right side
    28,732,356,281.40x = 815,802,401,110,779,232,256
  5. Step 5: Solve for x
    x = 815,802,401,110,779,232,256/28,732,356,281.40
  6. Step 6: Final answer
    x = 28,393,160,418.90

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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.