Home / 1,038,052,122.50-1,557,172,794.77-338,364,665.90

Finding the Fourth Proportional to 1,038,052,122.50, 1,557,172,794.77 and 338,364,665.90

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Solution

The fourth proportional to 1,038,052,122.50, 1,557,172,794.77 and 338,364,665.90 is: 507,577,838.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,038,052,122.50 : 1,557,172,794.77 = 338,364,665.90 : x
  2. Step 2: Convert to fraction form
    1,038,052,122.50/1,557,172,794.77 = 338,364,665.90/x
  3. Step 3: Cross multiply
    1,038,052,122.50x = 1,557,172,794.77 × 338,364,665.90
  4. Step 4: Simplify right side
    1,038,052,122.50x = 526,892,252,441,442,624
  5. Step 5: Solve for x
    x = 526,892,252,441,442,624/1,038,052,122.50
  6. Step 6: Final answer
    x = 507,577,838.36

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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.