Home / 877,962,169.98-1,316,815,065.18-256,010,272.38

Finding the Fourth Proportional to 877,962,169.98, 1,316,815,065.18 and 256,010,272.38

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Solution

The fourth proportional to 877,962,169.98, 1,316,815,065.18 and 256,010,272.38 is: 383,978,028.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,962,169.98 : 1,316,815,065.18 = 256,010,272.38 : x
  2. Step 2: Convert to fraction form
    877,962,169.98/1,316,815,065.18 = 256,010,272.38/x
  3. Step 3: Cross multiply
    877,962,169.98x = 1,316,815,065.18 × 256,010,272.38
  4. Step 4: Simplify right side
    877,962,169.98x = 337,118,183,510,819,264
  5. Step 5: Solve for x
    x = 337,118,183,510,819,264/877,962,169.98
  6. Step 6: Final answer
    x = 383,978,028.94

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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.