Home / 672,816,307.68-1,009,220,226.60-362,070,299.36

Finding the Fourth Proportional to 672,816,307.68, 1,009,220,226.60 and 362,070,299.36

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Solution

The fourth proportional to 672,816,307.68, 1,009,220,226.60 and 362,070,299.36 is: 543,103,170.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,816,307.68 : 1,009,220,226.60 = 362,070,299.36 : x
  2. Step 2: Convert to fraction form
    672,816,307.68/1,009,220,226.60 = 362,070,299.36/x
  3. Step 3: Cross multiply
    672,816,307.68x = 1,009,220,226.60 × 362,070,299.36
  4. Step 4: Simplify right side
    672,816,307.68x = 365,408,669,565,229,056
  5. Step 5: Solve for x
    x = 365,408,669,565,229,056/672,816,307.68
  6. Step 6: Final answer
    x = 543,103,170.05

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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.