Home / 1,314,174,144.80-1,971,133,107.60-344,825,760.80

Finding the Fourth Proportional to 1,314,174,144.80, 1,971,133,107.60 and 344,825,760.80

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Solution

The fourth proportional to 1,314,174,144.80, 1,971,133,107.60 and 344,825,760.80 is: 517,205,026.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,314,174,144.80 : 1,971,133,107.60 = 344,825,760.80 : x
  2. Step 2: Convert to fraction form
    1,314,174,144.80/1,971,133,107.60 = 344,825,760.80/x
  3. Step 3: Cross multiply
    1,314,174,144.80x = 1,971,133,107.60 × 344,825,760.80
  4. Step 4: Simplify right side
    1,314,174,144.80x = 679,697,473,466,238,208
  5. Step 5: Solve for x
    x = 679,697,473,466,238,208/1,314,174,144.80
  6. Step 6: Final answer
    x = 517,205,026.56

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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.