Home / 352,273,288.40-528,220,975.80-147,570,088.40

Finding the Fourth Proportional to 352,273,288.40, 528,220,975.80 and 147,570,088.40

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Solution

The fourth proportional to 352,273,288.40, 528,220,975.80 and 147,570,088.40 is: 221,275,977.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,273,288.40 : 528,220,975.80 = 147,570,088.40 : x
  2. Step 2: Convert to fraction form
    352,273,288.40/528,220,975.80 = 147,570,088.40/x
  3. Step 3: Cross multiply
    352,273,288.40x = 528,220,975.80 × 147,570,088.40
  4. Step 4: Simplify right side
    352,273,288.40x = 77,949,616,093,540,272
  5. Step 5: Solve for x
    x = 77,949,616,093,540,272/352,273,288.40
  6. Step 6: Final answer
    x = 221,275,977.09

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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.