Home / 8,178,938,727.52-12,251,227,199.62-5,189,463,019.59

Finding the Fourth Proportional to 8,178,938,727.52, 12,251,227,199.62 and 5,189,463,019.59

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Solution

The fourth proportional to 8,178,938,727.52, 12,251,227,199.62 and 5,189,463,019.59 is: 7,773,293,408.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,178,938,727.52 : 12,251,227,199.62 = 5,189,463,019.59 : x
  2. Step 2: Convert to fraction form
    8,178,938,727.52/12,251,227,199.62 = 5,189,463,019.59/x
  3. Step 3: Cross multiply
    8,178,938,727.52x = 12,251,227,199.62 × 5,189,463,019.59
  4. Step 4: Simplify right side
    8,178,938,727.52x = 63,577,290,497,012,768,768
  5. Step 5: Solve for x
    x = 63,577,290,497,012,768,768/8,178,938,727.52
  6. Step 6: Final answer
    x = 7,773,293,408.24

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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.