Home / 908,075,495.72-1,253,144,176.70-490,387,744.10

Finding the Fourth Proportional to 908,075,495.72, 1,253,144,176.70 and 490,387,744.10

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Solution

The fourth proportional to 908,075,495.72, 1,253,144,176.70 and 490,387,744.10 is: 676,735,082.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,075,495.72 : 1,253,144,176.70 = 490,387,744.10 : x
  2. Step 2: Convert to fraction form
    908,075,495.72/1,253,144,176.70 = 490,387,744.10/x
  3. Step 3: Cross multiply
    908,075,495.72x = 1,253,144,176.70 × 490,387,744.10
  4. Step 4: Simplify right side
    908,075,495.72x = 614,526,545,835,247,104
  5. Step 5: Solve for x
    x = 614,526,545,835,247,104/908,075,495.72
  6. Step 6: Final answer
    x = 676,735,082.86

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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.