Home / 210,408,405,945.80-315,580,719,645.64-57,265,229,785.67

Finding the Fourth Proportional to 210,408,405,945.80, 315,580,719,645.64 and 57,265,229,785.67

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Solution

The fourth proportional to 210,408,405,945.80, 315,580,719,645.64 and 57,265,229,785.67 is: 85,889,165,621.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,408,405,945.80 : 315,580,719,645.64 = 57,265,229,785.67 : x
  2. Step 2: Convert to fraction form
    210,408,405,945.80/315,580,719,645.64 = 57,265,229,785.67/x
  3. Step 3: Cross multiply
    210,408,405,945.80x = 315,580,719,645.64 × 57,265,229,785.67
  4. Step 4: Simplify right side
    210,408,405,945.80x = 18,071,802,426,434,678,423,552
  5. Step 5: Solve for x
    x = 18,071,802,426,434,678,423,552/210,408,405,945.80
  6. Step 6: Final answer
    x = 85,889,165,621.50

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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.