Home / 922,974,330.54-1,273,704,417.87-499,587,907.89

Finding the Fourth Proportional to 922,974,330.54, 1,273,704,417.87 and 499,587,907.89

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Solution

The fourth proportional to 922,974,330.54, 1,273,704,417.87 and 499,587,907.89 is: 689,431,227.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    922,974,330.54 : 1,273,704,417.87 = 499,587,907.89 : x
  2. Step 2: Convert to fraction form
    922,974,330.54/1,273,704,417.87 = 499,587,907.89/x
  3. Step 3: Cross multiply
    922,974,330.54x = 1,273,704,417.87 × 499,587,907.89
  4. Step 4: Simplify right side
    922,974,330.54x = 636,327,325,393,923,584
  5. Step 5: Solve for x
    x = 636,327,325,393,923,584/922,974,330.54
  6. Step 6: Final answer
    x = 689,431,227.22

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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.