Home / 352,273,228.40-528,220,885.80-147,570,028.40

Finding the Fourth Proportional to 352,273,228.40, 528,220,885.80 and 147,570,028.40

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Solution

The fourth proportional to 352,273,228.40, 528,220,885.80 and 147,570,028.40 is: 221,275,887.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,273,228.40 : 528,220,885.80 = 147,570,028.40 : x
  2. Step 2: Convert to fraction form
    352,273,228.40/528,220,885.80 = 147,570,028.40/x
  3. Step 3: Cross multiply
    352,273,228.40x = 528,220,885.80 × 147,570,028.40
  4. Step 4: Simplify right side
    352,273,228.40x = 77,949,571,118,979,168
  5. Step 5: Solve for x
    x = 77,949,571,118,979,168/352,273,228.40
  6. Step 6: Final answer
    x = 221,275,887.11

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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.