Home / 754,476,317.79-1,041,177,368.61-419,941,660.95

Finding the Fourth Proportional to 754,476,317.79, 1,041,177,368.61 and 419,941,660.95

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Solution

The fourth proportional to 754,476,317.79, 1,041,177,368.61 and 419,941,660.95 is: 579,519,519.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    754,476,317.79 : 1,041,177,368.61 = 419,941,660.95 : x
  2. Step 2: Convert to fraction form
    754,476,317.79/1,041,177,368.61 = 419,941,660.95/x
  3. Step 3: Cross multiply
    754,476,317.79x = 1,041,177,368.61 × 419,941,660.95
  4. Step 4: Simplify right side
    754,476,317.79x = 437,233,753,518,809,600
  5. Step 5: Solve for x
    x = 437,233,753,518,809,600/754,476,317.79
  6. Step 6: Final answer
    x = 579,519,519.97

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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.