Home / 473,189,719.20-708,590,185.20-310,752,189.60

Finding the Fourth Proportional to 473,189,719.20, 708,590,185.20 and 310,752,189.60

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Solution

The fourth proportional to 473,189,719.20, 708,590,185.20 and 310,752,189.60 is: 465,343,904.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    473,189,719.20 : 708,590,185.20 = 310,752,189.60 : x
  2. Step 2: Convert to fraction form
    473,189,719.20/708,590,185.20 = 310,752,189.60/x
  3. Step 3: Cross multiply
    473,189,719.20x = 708,590,185.20 × 310,752,189.60
  4. Step 4: Simplify right side
    473,189,719.20x = 220,195,951,579,969,536
  5. Step 5: Solve for x
    x = 220,195,951,579,969,536/473,189,719.20
  6. Step 6: Final answer
    x = 465,343,904.67

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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.