Home / 684,052,793.28-943,967,564.76-370,780,281.20

Finding the Fourth Proportional to 684,052,793.28, 943,967,564.76 and 370,780,281.20

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Solution

The fourth proportional to 684,052,793.28, 943,967,564.76 and 370,780,281.20 is: 511,663,080.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,052,793.28 : 943,967,564.76 = 370,780,281.20 : x
  2. Step 2: Convert to fraction form
    684,052,793.28/943,967,564.76 = 370,780,281.20/x
  3. Step 3: Cross multiply
    684,052,793.28x = 943,967,564.76 × 370,780,281.20
  4. Step 4: Simplify right side
    684,052,793.28x = 350,004,559,105,392,000
  5. Step 5: Solve for x
    x = 350,004,559,105,392,000/684,052,793.28
  6. Step 6: Final answer
    x = 511,663,080.02

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.