Home / 710,462,916.72-1,065,682,288.26-212,474,570.04

Finding the Fourth Proportional to 710,462,916.72, 1,065,682,288.26 and 212,474,570.04

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Solution

The fourth proportional to 710,462,916.72, 1,065,682,288.26 and 212,474,570.04 is: 318,708,240.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    710,462,916.72 : 1,065,682,288.26 = 212,474,570.04 : x
  2. Step 2: Convert to fraction form
    710,462,916.72/1,065,682,288.26 = 212,474,570.04/x
  3. Step 3: Cross multiply
    710,462,916.72x = 1,065,682,288.26 × 212,474,570.04
  4. Step 4: Simplify right side
    710,462,916.72x = 226,430,385,997,286,816
  5. Step 5: Solve for x
    x = 226,430,385,997,286,816/710,462,916.72
  6. Step 6: Final answer
    x = 318,708,240.32

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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.