Home / 631,531,817.03-871,469,665.13-367,195,056.63

Finding the Fourth Proportional to 631,531,817.03, 871,469,665.13 and 367,195,056.63

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Solution

The fourth proportional to 631,531,817.03, 871,469,665.13 and 367,195,056.63 is: 506,703,454.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    631,531,817.03 : 871,469,665.13 = 367,195,056.63 : x
  2. Step 2: Convert to fraction form
    631,531,817.03/871,469,665.13 = 367,195,056.63/x
  3. Step 3: Cross multiply
    631,531,817.03x = 871,469,665.13 × 367,195,056.63
  4. Step 4: Simplify right side
    631,531,817.03x = 319,999,353,038,737,472
  5. Step 5: Solve for x
    x = 319,999,353,038,737,472/631,531,817.03
  6. Step 6: Final answer
    x = 506,703,454.06

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Double scale
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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.