Home / 547,983,719.52-756,327,393.48-325,089,121.92

Finding the Fourth Proportional to 547,983,719.52, 756,327,393.48 and 325,089,121.92

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Solution

The fourth proportional to 547,983,719.52, 756,327,393.48 and 325,089,121.92 is: 448,688,162.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,983,719.52 : 756,327,393.48 = 325,089,121.92 : x
  2. Step 2: Convert to fraction form
    547,983,719.52/756,327,393.48 = 325,089,121.92/x
  3. Step 3: Cross multiply
    547,983,719.52x = 756,327,393.48 × 325,089,121.92
  4. Step 4: Simplify right side
    547,983,719.52x = 245,873,808,230,455,552
  5. Step 5: Solve for x
    x = 245,873,808,230,455,552/547,983,719.52
  6. Step 6: Final answer
    x = 448,688,162.57

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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.