Home / 786,650,246.20-1,178,967,599.70-699,982,060.60

Finding the Fourth Proportional to 786,650,246.20, 1,178,967,599.70 and 699,982,060.60

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Solution

The fourth proportional to 786,650,246.20, 1,178,967,599.70 and 699,982,060.60 is: 1,049,076,351.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    786,650,246.20 : 1,178,967,599.70 = 699,982,060.60 : x
  2. Step 2: Convert to fraction form
    786,650,246.20/1,178,967,599.70 = 699,982,060.60/x
  3. Step 3: Cross multiply
    786,650,246.20x = 1,178,967,599.70 × 699,982,060.60
  4. Step 4: Simplify right side
    786,650,246.20x = 825,256,169,818,642,048
  5. Step 5: Solve for x
    x = 825,256,169,818,642,048/786,650,246.20
  6. Step 6: Final answer
    x = 1,049,076,351.03

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1.5x scale

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.