Home / 769,559,399.94-1,061,963,520.64-417,127,823.85

Finding the Fourth Proportional to 769,559,399.94, 1,061,963,520.64 and 417,127,823.85

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Solution

The fourth proportional to 769,559,399.94, 1,061,963,520.64 and 417,127,823.85 is: 575,620,975.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,559,399.94 : 1,061,963,520.64 = 417,127,823.85 : x
  2. Step 2: Convert to fraction form
    769,559,399.94/1,061,963,520.64 = 417,127,823.85/x
  3. Step 3: Cross multiply
    769,559,399.94x = 1,061,963,520.64 × 417,127,823.85
  4. Step 4: Simplify right side
    769,559,399.94x = 442,974,532,372,647,808
  5. Step 5: Solve for x
    x = 442,974,532,372,647,808/769,559,399.94
  6. Step 6: Final answer
    x = 575,620,975.34

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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.