Home / 1,720,300,859.28-2,580,443,924.04-476,727,771.12

Finding the Fourth Proportional to 1,720,300,859.28, 2,580,443,924.04 and 476,727,771.12

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Solution

The fourth proportional to 1,720,300,859.28, 2,580,443,924.04 and 476,727,771.12 is: 715,089,615.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,720,300,859.28 : 2,580,443,924.04 = 476,727,771.12 : x
  2. Step 2: Convert to fraction form
    1,720,300,859.28/2,580,443,924.04 = 476,727,771.12/x
  3. Step 3: Cross multiply
    1,720,300,859.28x = 2,580,443,924.04 × 476,727,771.12
  4. Step 4: Simplify right side
    1,720,300,859.28x = 1,230,169,280,407,735,808
  5. Step 5: Solve for x
    x = 1,230,169,280,407,735,808/1,720,300,859.28
  6. Step 6: Final answer
    x = 715,089,615.73

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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.