Home / 371,025,999.20-556,538,998.80-217,593,077.60

Finding the Fourth Proportional to 371,025,999.20, 556,538,998.80 and 217,593,077.60

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Solution

The fourth proportional to 371,025,999.20, 556,538,998.80 and 217,593,077.60 is: 326,389,616.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,025,999.20 : 556,538,998.80 = 217,593,077.60 : x
  2. Step 2: Convert to fraction form
    371,025,999.20/556,538,998.80 = 217,593,077.60/x
  3. Step 3: Cross multiply
    371,025,999.20x = 556,538,998.80 × 217,593,077.60
  4. Step 4: Simplify right side
    371,025,999.20x = 121,099,033,553,314,688
  5. Step 5: Solve for x
    x = 121,099,033,553,314,688/371,025,999.20
  6. Step 6: Final answer
    x = 326,389,616.40

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1.5x scale

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.