Home / 732,804,585.45-1,099,206,878.18-388,430,817.45

Finding the Fourth Proportional to 732,804,585.45, 1,099,206,878.18 and 388,430,817.45

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Solution

The fourth proportional to 732,804,585.45, 1,099,206,878.18 and 388,430,817.45 is: 582,646,226.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    732,804,585.45 : 1,099,206,878.18 = 388,430,817.45 : x
  2. Step 2: Convert to fraction form
    732,804,585.45/1,099,206,878.18 = 388,430,817.45/x
  3. Step 3: Cross multiply
    732,804,585.45x = 1,099,206,878.18 × 388,430,817.45
  4. Step 4: Simplify right side
    732,804,585.45x = 426,965,826,238,120,000
  5. Step 5: Solve for x
    x = 426,965,826,238,120,000/732,804,585.45
  6. Step 6: Final answer
    x = 582,646,226.18

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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.