Home / 1,241,395,737.76-1,862,237,691.06-412,423,360.48

Finding the Fourth Proportional to 1,241,395,737.76, 1,862,237,691.06 and 412,423,360.48

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Solution

The fourth proportional to 1,241,395,737.76, 1,862,237,691.06 and 412,423,360.48 is: 618,682,909.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,241,395,737.76 : 1,862,237,691.06 = 412,423,360.48 : x
  2. Step 2: Convert to fraction form
    1,241,395,737.76/1,862,237,691.06 = 412,423,360.48/x
  3. Step 3: Cross multiply
    1,241,395,737.76x = 1,862,237,691.06 × 412,423,360.48
  4. Step 4: Simplify right side
    1,241,395,737.76x = 768,030,326,559,481,216
  5. Step 5: Solve for x
    x = 768,030,326,559,481,216/1,241,395,737.76
  6. Step 6: Final answer
    x = 618,682,909.24

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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.