Home / 613,772,808-921,241,267.91-379,896,065.89

Finding the Fourth Proportional to 613,772,808, 921,241,267.91 and 379,896,065.89

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Solution

The fourth proportional to 613,772,808, 921,241,267.91 and 379,896,065.89 is: 570,204,363.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    613,772,808 : 921,241,267.91 = 379,896,065.89 : x
  2. Step 2: Convert to fraction form
    613,772,808/921,241,267.91 = 379,896,065.89/x
  3. Step 3: Cross multiply
    613,772,808x = 921,241,267.91 × 379,896,065.89
  4. Step 4: Simplify right side
    613,772,808x = 349,975,933,414,524,480
  5. Step 5: Solve for x
    x = 349,975,933,414,524,480/613,772,808
  6. Step 6: Final answer
    x = 570,204,363.66

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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.