Home / 1,262,461,438.46-1,742,250,589.80-705,544,469.12

Finding the Fourth Proportional to 1,262,461,438.46, 1,742,250,589.80 and 705,544,469.12

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Solution

The fourth proportional to 1,262,461,438.46, 1,742,250,589.80 and 705,544,469.12 is: 973,681,436.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,262,461,438.46 : 1,742,250,589.80 = 705,544,469.12 : x
  2. Step 2: Convert to fraction form
    1,262,461,438.46/1,742,250,589.80 = 705,544,469.12/x
  3. Step 3: Cross multiply
    1,262,461,438.46x = 1,742,250,589.80 × 705,544,469.12
  4. Step 4: Simplify right side
    1,262,461,438.46x = 1,229,235,267,454,447,872
  5. Step 5: Solve for x
    x = 1,229,235,267,454,447,872/1,262,461,438.46
  6. Step 6: Final answer
    x = 973,681,436.92

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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.