Home / 500,959,647.81-691,300,892.18-277,938,955.92

Finding the Fourth Proportional to 500,959,647.81, 691,300,892.18 and 277,938,955.92

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Solution

The fourth proportional to 500,959,647.81, 691,300,892.18 and 277,938,955.92 is: 383,542,764.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,959,647.81 : 691,300,892.18 = 277,938,955.92 : x
  2. Step 2: Convert to fraction form
    500,959,647.81/691,300,892.18 = 277,938,955.92/x
  3. Step 3: Cross multiply
    500,959,647.81x = 691,300,892.18 × 277,938,955.92
  4. Step 4: Simplify right side
    500,959,647.81x = 192,139,448,197,684,000
  5. Step 5: Solve for x
    x = 192,139,448,197,684,000/500,959,647.81
  6. Step 6: Final answer
    x = 383,542,764.45

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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.