Home / 908,075,496.34-1,253,144,177.57-490,387,744.73

Finding the Fourth Proportional to 908,075,496.34, 1,253,144,177.57 and 490,387,744.73

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Solution

The fourth proportional to 908,075,496.34, 1,253,144,177.57 and 490,387,744.73 is: 676,735,083.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,075,496.34 : 1,253,144,177.57 = 490,387,744.73 : x
  2. Step 2: Convert to fraction form
    908,075,496.34/1,253,144,177.57 = 490,387,744.73/x
  3. Step 3: Cross multiply
    908,075,496.34x = 1,253,144,177.57 × 490,387,744.73
  4. Step 4: Simplify right side
    908,075,496.34x = 614,526,547,060,082,944
  5. Step 5: Solve for x
    x = 614,526,547,060,082,944/908,075,496.34
  6. Step 6: Final answer
    x = 676,735,083.74

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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.