Home / 330,478,895.64-495,264,842.58-209,093,047.32

Finding the Fourth Proportional to 330,478,895.64, 495,264,842.58 and 209,093,047.32

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Solution

The fourth proportional to 330,478,895.64, 495,264,842.58 and 209,093,047.32 is: 313,352,642.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,478,895.64 : 495,264,842.58 = 209,093,047.32 : x
  2. Step 2: Convert to fraction form
    330,478,895.64/495,264,842.58 = 209,093,047.32/x
  3. Step 3: Cross multiply
    330,478,895.64x = 495,264,842.58 × 209,093,047.32
  4. Step 4: Simplify right side
    330,478,895.64x = 103,556,435,165,512,288
  5. Step 5: Solve for x
    x = 103,556,435,165,512,288/330,478,895.64
  6. Step 6: Final answer
    x = 313,352,642.28

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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.