Home / 908,075,477.67-1,253,144,151.75-490,387,726.06

Finding the Fourth Proportional to 908,075,477.67, 1,253,144,151.75 and 490,387,726.06

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Solution

The fourth proportional to 908,075,477.67, 1,253,144,151.75 and 490,387,726.06 is: 676,735,057.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,075,477.67 : 1,253,144,151.75 = 490,387,726.06 : x
  2. Step 2: Convert to fraction form
    908,075,477.67/1,253,144,151.75 = 490,387,726.06/x
  3. Step 3: Cross multiply
    908,075,477.67x = 1,253,144,151.75 × 490,387,726.06
  4. Step 4: Simplify right side
    908,075,477.67x = 614,526,511,000,800,640
  5. Step 5: Solve for x
    x = 614,526,511,000,800,640/908,075,477.67
  6. Step 6: Final answer
    x = 676,735,057.95

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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.