Home / 590,478,919.20-885,718,378.80-344,583,136.80

Finding the Fourth Proportional to 590,478,919.20, 885,718,378.80 and 344,583,136.80

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Solution

The fourth proportional to 590,478,919.20, 885,718,378.80 and 344,583,136.80 is: 516,874,705.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    590,478,919.20 : 885,718,378.80 = 344,583,136.80 : x
  2. Step 2: Convert to fraction form
    590,478,919.20/885,718,378.80 = 344,583,136.80/x
  3. Step 3: Cross multiply
    590,478,919.20x = 885,718,378.80 × 344,583,136.80
  4. Step 4: Simplify right side
    590,478,919.20x = 305,203,617,288,314,624
  5. Step 5: Solve for x
    x = 305,203,617,288,314,624/590,478,919.20
  6. Step 6: Final answer
    x = 516,874,705.20

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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.