Home / 930,690,562.79-1,395,672,629.63-406,220,076.11

Finding the Fourth Proportional to 930,690,562.79, 1,395,672,629.63 and 406,220,076.11

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Solution

The fourth proportional to 930,690,562.79, 1,395,672,629.63 and 406,220,076.11 is: 609,171,581.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    930,690,562.79 : 1,395,672,629.63 = 406,220,076.11 : x
  2. Step 2: Convert to fraction form
    930,690,562.79/1,395,672,629.63 = 406,220,076.11/x
  3. Step 3: Cross multiply
    930,690,562.79x = 1,395,672,629.63 × 406,220,076.11
  4. Step 4: Simplify right side
    930,690,562.79x = 566,950,241,834,400,512
  5. Step 5: Solve for x
    x = 566,950,241,834,400,512/930,690,562.79
  6. Step 6: Final answer
    x = 609,171,581.30

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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.