Home / 622,574,285.16-934,861,849.06-412,808,956.58

Finding the Fourth Proportional to 622,574,285.16, 934,861,849.06 and 412,808,956.58

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Solution

The fourth proportional to 622,574,285.16, 934,861,849.06 and 412,808,956.58 is: 619,876,782.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,574,285.16 : 934,861,849.06 = 412,808,956.58 : x
  2. Step 2: Convert to fraction form
    622,574,285.16/934,861,849.06 = 412,808,956.58/x
  3. Step 3: Cross multiply
    622,574,285.16x = 934,861,849.06 × 412,808,956.58
  4. Step 4: Simplify right side
    622,574,285.16x = 385,919,344,456,908,032
  5. Step 5: Solve for x
    x = 385,919,344,456,908,032/622,574,285.16
  6. Step 6: Final answer
    x = 619,876,782.03

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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.