Home / 287,233,289.73-430,231,084.67-194,608,831.50

Finding the Fourth Proportional to 287,233,289.73, 430,231,084.67 and 194,608,831.50

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Solution

The fourth proportional to 287,233,289.73, 430,231,084.67 and 194,608,831.50 is: 291,493,958.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    287,233,289.73 : 430,231,084.67 = 194,608,831.50 : x
  2. Step 2: Convert to fraction form
    287,233,289.73/430,231,084.67 = 194,608,831.50/x
  3. Step 3: Cross multiply
    287,233,289.73x = 430,231,084.67 × 194,608,831.50
  4. Step 4: Simplify right side
    287,233,289.73x = 83,726,768,663,092,784
  5. Step 5: Solve for x
    x = 83,726,768,663,092,784/287,233,289.73
  6. Step 6: Final answer
    x = 291,493,958.59

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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.