Home / 486,464,451.47-730,860,779.64-311,929,439.03

Finding the Fourth Proportional to 486,464,451.47, 730,860,779.64 and 311,929,439.03

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Solution

The fourth proportional to 486,464,451.47, 730,860,779.64 and 311,929,439.03 is: 468,640,601.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,464,451.47 : 730,860,779.64 = 311,929,439.03 : x
  2. Step 2: Convert to fraction form
    486,464,451.47/730,860,779.64 = 311,929,439.03/x
  3. Step 3: Cross multiply
    486,464,451.47x = 730,860,779.64 × 311,929,439.03
  4. Step 4: Simplify right side
    486,464,451.47x = 227,976,993,002,133,632
  5. Step 5: Solve for x
    x = 227,976,993,002,133,632/486,464,451.47
  6. Step 6: Final answer
    x = 468,640,601.21

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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.