Home / 290,872,140.20-436,308,210.30-233,476,512.20

Finding the Fourth Proportional to 290,872,140.20, 436,308,210.30 and 233,476,512.20

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Solution

The fourth proportional to 290,872,140.20, 436,308,210.30 and 233,476,512.20 is: 350,214,768.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,872,140.20 : 436,308,210.30 = 233,476,512.20 : x
  2. Step 2: Convert to fraction form
    290,872,140.20/436,308,210.30 = 233,476,512.20/x
  3. Step 3: Cross multiply
    290,872,140.20x = 436,308,210.30 × 233,476,512.20
  4. Step 4: Simplify right side
    290,872,140.20x = 101,867,719,185,068,112
  5. Step 5: Solve for x
    x = 101,867,719,185,068,112/290,872,140.20
  6. Step 6: Final answer
    x = 350,214,768.30

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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.