Home / 754,476,349.54-1,041,177,412.41-419,941,692.70

Finding the Fourth Proportional to 754,476,349.54, 1,041,177,412.41 and 419,941,692.70

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Solution

The fourth proportional to 754,476,349.54, 1,041,177,412.41 and 419,941,692.70 is: 579,519,563.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    754,476,349.54 : 1,041,177,412.41 = 419,941,692.70 : x
  2. Step 2: Convert to fraction form
    754,476,349.54/1,041,177,412.41 = 419,941,692.70/x
  3. Step 3: Cross multiply
    754,476,349.54x = 1,041,177,412.41 × 419,941,692.70
  4. Step 4: Simplify right side
    754,476,349.54x = 437,233,804,968,461,376
  5. Step 5: Solve for x
    x = 437,233,804,968,461,376/754,476,349.54
  6. Step 6: Final answer
    x = 579,519,563.78

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1.5x scale

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.