Home / 896,189,892.81-1,236,757,283.43-494,349,747.36

Finding the Fourth Proportional to 896,189,892.81, 1,236,757,283.43 and 494,349,747.36

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Solution

The fourth proportional to 896,189,892.81, 1,236,757,283.43 and 494,349,747.36 is: 682,211,053.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    896,189,892.81 : 1,236,757,283.43 = 494,349,747.36 : x
  2. Step 2: Convert to fraction form
    896,189,892.81/1,236,757,283.43 = 494,349,747.36/x
  3. Step 3: Cross multiply
    896,189,892.81x = 1,236,757,283.43 × 494,349,747.36
  4. Step 4: Simplify right side
    896,189,892.81x = 611,390,650,609,260,416
  5. Step 5: Solve for x
    x = 611,390,650,609,260,416/896,189,892.81
  6. Step 6: Final answer
    x = 682,211,053.16

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.