Home / 398,574,043.20-597,861,064.80-335,084,558.40

Finding the Fourth Proportional to 398,574,043.20, 597,861,064.80 and 335,084,558.40

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Solution

The fourth proportional to 398,574,043.20, 597,861,064.80 and 335,084,558.40 is: 502,626,837.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    398,574,043.20 : 597,861,064.80 = 335,084,558.40 : x
  2. Step 2: Convert to fraction form
    398,574,043.20/597,861,064.80 = 335,084,558.40/x
  3. Step 3: Cross multiply
    398,574,043.20x = 597,861,064.80 × 335,084,558.40
  4. Step 4: Simplify right side
    398,574,043.20x = 200,334,010,883,061,760
  5. Step 5: Solve for x
    x = 200,334,010,883,061,760/398,574,043.20
  6. Step 6: Final answer
    x = 502,626,837.60

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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.