Home / 1,907,431,280.96-2,861,283,123.92-508,408,224.28

Finding the Fourth Proportional to 1,907,431,280.96, 2,861,283,123.92 and 508,408,224.28

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Solution

The fourth proportional to 1,907,431,280.96, 2,861,283,123.92 and 508,408,224.28 is: 762,648,639.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,907,431,280.96 : 2,861,283,123.92 = 508,408,224.28 : x
  2. Step 2: Convert to fraction form
    1,907,431,280.96/2,861,283,123.92 = 508,408,224.28/x
  3. Step 3: Cross multiply
    1,907,431,280.96x = 2,861,283,123.92 × 508,408,224.28
  4. Step 4: Simplify right side
    1,907,431,280.96x = 1,454,699,872,194,498,304
  5. Step 5: Solve for x
    x = 1,454,699,872,194,498,304/1,907,431,280.96
  6. Step 6: Final answer
    x = 762,648,639.94

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1.5x scale

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.