Home / 725,316,006,149.20-1,087,974,009,223.80-347,813,481,667.60

Finding the Fourth Proportional to 725,316,006,149.20, 1,087,974,009,223.80 and 347,813,481,667.60

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Solution

The fourth proportional to 725,316,006,149.20, 1,087,974,009,223.80 and 347,813,481,667.60 is: 521,720,222,501.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,316,006,149.20 : 1,087,974,009,223.80 = 347,813,481,667.60 : x
  2. Step 2: Convert to fraction form
    725,316,006,149.20/1,087,974,009,223.80 = 347,813,481,667.60/x
  3. Step 3: Cross multiply
    725,316,006,149.20x = 1,087,974,009,223.80 × 347,813,481,667.60
  4. Step 4: Simplify right side
    725,316,006,149.20x = 378,412,028,111,987,398,410,240
  5. Step 5: Solve for x
    x = 378,412,028,111,987,398,410,240/725,316,006,149.20
  6. Step 6: Final answer
    x = 521,720,222,501.40

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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.