Home / 1,004,316,289.60-1,505,858,225.28-390,183,594.88

Finding the Fourth Proportional to 1,004,316,289.60, 1,505,858,225.28 and 390,183,594.88

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Solution

The fourth proportional to 1,004,316,289.60, 1,505,858,225.28 and 390,183,594.88 is: 585,035,990.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,004,316,289.60 : 1,505,858,225.28 = 390,183,594.88 : x
  2. Step 2: Convert to fraction form
    1,004,316,289.60/1,505,858,225.28 = 390,183,594.88/x
  3. Step 3: Cross multiply
    1,004,316,289.60x = 1,505,858,225.28 × 390,183,594.88
  4. Step 4: Simplify right side
    1,004,316,289.60x = 587,561,175,719,367,296
  5. Step 5: Solve for x
    x = 587,561,175,719,367,296/1,004,316,289.60
  6. Step 6: Final answer
    x = 585,035,990.96

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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.