Home / 786,806,819.50-1,180,194,025.38-262,214,010.88

Finding the Fourth Proportional to 786,806,819.50, 1,180,194,025.38 and 262,214,010.88

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Solution

The fourth proportional to 786,806,819.50, 1,180,194,025.38 and 262,214,010.88 is: 393,315,616.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    786,806,819.50 : 1,180,194,025.38 = 262,214,010.88 : x
  2. Step 2: Convert to fraction form
    786,806,819.50/1,180,194,025.38 = 262,214,010.88/x
  3. Step 3: Cross multiply
    786,806,819.50x = 1,180,194,025.38 × 262,214,010.88
  4. Step 4: Simplify right side
    786,806,819.50x = 309,463,409,011,502,336
  5. Step 5: Solve for x
    x = 309,463,409,011,502,336/786,806,819.50
  6. Step 6: Final answer
    x = 393,315,616.16

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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.