Home / 1,720,300,819.71-2,580,443,864.85-476,727,731.54

Finding the Fourth Proportional to 1,720,300,819.71, 2,580,443,864.85 and 476,727,731.54

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Solution

The fourth proportional to 1,720,300,819.71, 2,580,443,864.85 and 476,727,731.54 is: 715,089,556.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,720,300,819.71 : 2,580,443,864.85 = 476,727,731.54 : x
  2. Step 2: Convert to fraction form
    1,720,300,819.71/2,580,443,864.85 = 476,727,731.54/x
  3. Step 3: Cross multiply
    1,720,300,819.71x = 2,580,443,864.85 × 476,727,731.54
  4. Step 4: Simplify right side
    1,720,300,819.71x = 1,230,169,150,056,250,880
  5. Step 5: Solve for x
    x = 1,230,169,150,056,250,880/1,720,300,819.71
  6. Step 6: Final answer
    x = 715,089,556.41

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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.