Home / 18,917,654,691,762-28,376,528,538,731-5,334,630,360,142.50

Finding the Fourth Proportional to 18,917,654,691,762, 28,376,528,538,731 and 5,334,630,360,142.50

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Solution

The fourth proportional to 18,917,654,691,762, 28,376,528,538,731 and 5,334,630,360,142.50 is: 8,001,958,653,156.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,917,654,691,762 : 28,376,528,538,731 = 5,334,630,360,142.50 : x
  2. Step 2: Convert to fraction form
    18,917,654,691,762/28,376,528,538,731 = 5,334,630,360,142.50/x
  3. Step 3: Cross multiply
    18,917,654,691,762x = 28,376,528,538,731 × 5,334,630,360,142.50
  4. Step 4: Simplify right side
    18,917,654,691,762x = 151,378,290,658,164,480,793,378,816
  5. Step 5: Solve for x
    x = 151,378,290,658,164,480,793,378,816/18,917,654,691,762
  6. Step 6: Final answer
    x = 8,001,958,653,156.12

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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.