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Finding the Fourth Proportional to 613,772,807.00, 921,241,266.41 and 379,896,064.89

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Solution

The fourth proportional to 613,772,807.00, 921,241,266.41 and 379,896,064.89 is: 570,204,362.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    613,772,807.00 : 921,241,266.41 = 379,896,064.89 : x
  2. Step 2: Convert to fraction form
    613,772,807.00/921,241,266.41 = 379,896,064.89/x
  3. Step 3: Cross multiply
    613,772,807.00x = 921,241,266.41 × 379,896,064.89
  4. Step 4: Simplify right side
    613,772,807.00x = 349,975,931,924,388,864
  5. Step 5: Solve for x
    x = 349,975,931,924,388,864/613,772,807.00
  6. Step 6: Final answer
    x = 570,204,362.15

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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.