Home / 356,088,991.40-534,133,487.10-331,146,693.80

Finding the Fourth Proportional to 356,088,991.40, 534,133,487.10 and 331,146,693.80

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Solution

The fourth proportional to 356,088,991.40, 534,133,487.10 and 331,146,693.80 is: 496,720,040.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,088,991.40 : 534,133,487.10 = 331,146,693.80 : x
  2. Step 2: Convert to fraction form
    356,088,991.40/534,133,487.10 = 331,146,693.80/x
  3. Step 3: Cross multiply
    356,088,991.40x = 534,133,487.10 × 331,146,693.80
  4. Step 4: Simplify right side
    356,088,991.40x = 176,876,538,301,029,952
  5. Step 5: Solve for x
    x = 176,876,538,301,029,952/356,088,991.40
  6. Step 6: Final answer
    x = 496,720,040.70

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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.