Home / 877,034,599.97-1,315,114,162.11-286,747,949.93

Finding the Fourth Proportional to 877,034,599.97, 1,315,114,162.11 and 286,747,949.93

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Solution

The fourth proportional to 877,034,599.97, 1,315,114,162.11 and 286,747,949.93 is: 429,978,805.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,034,599.97 : 1,315,114,162.11 = 286,747,949.93 : x
  2. Step 2: Convert to fraction form
    877,034,599.97/1,315,114,162.11 = 286,747,949.93/x
  3. Step 3: Cross multiply
    877,034,599.97x = 1,315,114,162.11 × 286,747,949.93
  4. Step 4: Simplify right side
    877,034,599.97x = 377,106,289,902,376,576
  5. Step 5: Solve for x
    x = 377,106,289,902,376,576/877,034,599.97
  6. Step 6: Final answer
    x = 429,978,805.76

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.