Home / 18,917,654,691,762-28,376,528,538,730-5,334,630,360,142.20

Finding the Fourth Proportional to 18,917,654,691,762, 28,376,528,538,730 and 5,334,630,360,142.20

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Solution

The fourth proportional to 18,917,654,691,762, 28,376,528,538,730 and 5,334,630,360,142.20 is: 8,001,958,653,155.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,917,654,691,762 : 28,376,528,538,730 = 5,334,630,360,142.20 : x
  2. Step 2: Convert to fraction form
    18,917,654,691,762/28,376,528,538,730 = 5,334,630,360,142.20/x
  3. Step 3: Cross multiply
    18,917,654,691,762x = 28,376,528,538,730 × 5,334,630,360,142.20
  4. Step 4: Simplify right side
    18,917,654,691,762x = 151,378,290,658,150,633,818,816,512
  5. Step 5: Solve for x
    x = 151,378,290,658,150,633,818,816,512/18,917,654,691,762
  6. Step 6: Final answer
    x = 8,001,958,653,155.39

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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.