Home / 908,075,496.84-1,253,144,178.26-490,387,745.24

Finding the Fourth Proportional to 908,075,496.84, 1,253,144,178.26 and 490,387,745.24

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Solution

The fourth proportional to 908,075,496.84, 1,253,144,178.26 and 490,387,745.24 is: 676,735,084.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,075,496.84 : 1,253,144,178.26 = 490,387,745.24 : x
  2. Step 2: Convert to fraction form
    908,075,496.84/1,253,144,178.26 = 490,387,745.24/x
  3. Step 3: Cross multiply
    908,075,496.84x = 1,253,144,178.26 × 490,387,745.24
  4. Step 4: Simplify right side
    908,075,496.84x = 614,526,548,028,836,480
  5. Step 5: Solve for x
    x = 614,526,548,028,836,480/908,075,496.84
  6. Step 6: Final answer
    x = 676,735,084.44

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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.