Home / 354,916,646.40-531,479,174.40-233,088,499.20

Finding the Fourth Proportional to 354,916,646.40, 531,479,174.40 and 233,088,499.20

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Solution

The fourth proportional to 354,916,646.40, 531,479,174.40 and 233,088,499.20 is: 349,044,442.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,916,646.40 : 531,479,174.40 = 233,088,499.20 : x
  2. Step 2: Convert to fraction form
    354,916,646.40/531,479,174.40 = 233,088,499.20/x
  3. Step 3: Cross multiply
    354,916,646.40x = 531,479,174.40 × 233,088,499.20
  4. Step 4: Simplify right side
    354,916,646.40x = 123,881,683,116,951,056
  5. Step 5: Solve for x
    x = 123,881,683,116,951,056/354,916,646.40
  6. Step 6: Final answer
    x = 349,044,442.90

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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.