Home / 652,100,839.80-978,151,259.70-434,422,606.20

Finding the Fourth Proportional to 652,100,839.80, 978,151,259.70 and 434,422,606.20

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Solution

The fourth proportional to 652,100,839.80, 978,151,259.70 and 434,422,606.20 is: 651,633,909.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    652,100,839.80 : 978,151,259.70 = 434,422,606.20 : x
  2. Step 2: Convert to fraction form
    652,100,839.80/978,151,259.70 = 434,422,606.20/x
  3. Step 3: Cross multiply
    652,100,839.80x = 978,151,259.70 × 434,422,606.20
  4. Step 4: Simplify right side
    652,100,839.80x = 424,931,019,496,687,040
  5. Step 5: Solve for x
    x = 424,931,019,496,687,040/652,100,839.80
  6. Step 6: Final answer
    x = 651,633,909.30

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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.