Home / 309,420,677,035.23-464,181,391,593.63-91,376,178,948.15

Finding the Fourth Proportional to 309,420,677,035.23, 464,181,391,593.63 and 91,376,178,948.15

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Solution

The fourth proportional to 309,420,677,035.23, 464,181,391,593.63 and 91,376,178,948.15 is: 137,079,145,159.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    309,420,677,035.23 : 464,181,391,593.63 = 91,376,178,948.15 : x
  2. Step 2: Convert to fraction form
    309,420,677,035.23/464,181,391,593.63 = 91,376,178,948.15/x
  3. Step 3: Cross multiply
    309,420,677,035.23x = 464,181,391,593.63 × 91,376,178,948.15
  4. Step 4: Simplify right side
    309,420,677,035.23x = 42,415,121,902,660,824,858,624
  5. Step 5: Solve for x
    x = 42,415,121,902,660,824,858,624/309,420,677,035.23
  6. Step 6: Final answer
    x = 137,079,145,159.49

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1.5x scale

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.