Home / 788,583,821.50-1,182,624,168.66-270,889,428.70

Finding the Fourth Proportional to 788,583,821.50, 1,182,624,168.66 and 270,889,428.70

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Solution

The fourth proportional to 788,583,821.50, 1,182,624,168.66 and 270,889,428.70 is: 406,247,727.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,583,821.50 : 1,182,624,168.66 = 270,889,428.70 : x
  2. Step 2: Convert to fraction form
    788,583,821.50/1,182,624,168.66 = 270,889,428.70/x
  3. Step 3: Cross multiply
    788,583,821.50x = 1,182,624,168.66 × 270,889,428.70
  4. Step 4: Simplify right side
    788,583,821.50x = 320,360,385,415,119,872
  5. Step 5: Solve for x
    x = 320,360,385,415,119,872/788,583,821.50
  6. Step 6: Final answer
    x = 406,247,727.48

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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.