Home / 351,981,865.60-528,098,769.60-147,572,598.40

Finding the Fourth Proportional to 351,981,865.60, 528,098,769.60 and 147,572,598.40

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Solution

The fourth proportional to 351,981,865.60, 528,098,769.60 and 147,572,598.40 is: 221,411,712.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,981,865.60 : 528,098,769.60 = 147,572,598.40 : x
  2. Step 2: Convert to fraction form
    351,981,865.60/528,098,769.60 = 147,572,598.40/x
  3. Step 3: Cross multiply
    351,981,865.60x = 528,098,769.60 × 147,572,598.40
  4. Step 4: Simplify right side
    351,981,865.60x = 77,932,907,641,714,928
  5. Step 5: Solve for x
    x = 77,932,907,641,714,928/351,981,865.60
  6. Step 6: Final answer
    x = 221,411,712.53

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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.