Home / 351,981,282.60-528,097,895.10-147,572,015.40

Finding the Fourth Proportional to 351,981,282.60, 528,097,895.10 and 147,572,015.40

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Solution

The fourth proportional to 351,981,282.60, 528,097,895.10 and 147,572,015.40 is: 221,410,837.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,981,282.60 : 528,097,895.10 = 147,572,015.40 : x
  2. Step 2: Convert to fraction form
    351,981,282.60/528,097,895.10 = 147,572,015.40/x
  3. Step 3: Cross multiply
    351,981,282.60x = 528,097,895.10 × 147,572,015.40
  4. Step 4: Simplify right side
    351,981,282.60x = 77,932,470,708,404,784
  5. Step 5: Solve for x
    x = 77,932,470,708,404,784/351,981,282.60
  6. Step 6: Final answer
    x = 221,410,837.91

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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.