Home / 631,123,774.83-870,934,102.29-352,667,586.51

Finding the Fourth Proportional to 631,123,774.83, 870,934,102.29 and 352,667,586.51

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Solution

The fourth proportional to 631,123,774.83, 870,934,102.29 and 352,667,586.51 is: 486,671,933.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    631,123,774.83 : 870,934,102.29 = 352,667,586.51 : x
  2. Step 2: Convert to fraction form
    631,123,774.83/870,934,102.29 = 352,667,586.51/x
  3. Step 3: Cross multiply
    631,123,774.83x = 870,934,102.29 × 352,667,586.51
  4. Step 4: Simplify right side
    631,123,774.83x = 307,150,227,863,867,712
  5. Step 5: Solve for x
    x = 307,150,227,863,867,712/631,123,774.83
  6. Step 6: Final answer
    x = 486,671,933.64

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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.