Home / 549,955,946.88-758,959,163.22-315,052,007.04

Finding the Fourth Proportional to 549,955,946.88, 758,959,163.22 and 315,052,007.04

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Solution

The fourth proportional to 549,955,946.88, 758,959,163.22 and 315,052,007.04 is: 434,783,202.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,955,946.88 : 758,959,163.22 = 315,052,007.04 : x
  2. Step 2: Convert to fraction form
    549,955,946.88/758,959,163.22 = 315,052,007.04/x
  3. Step 3: Cross multiply
    549,955,946.88x = 758,959,163.22 × 315,052,007.04
  4. Step 4: Simplify right side
    549,955,946.88x = 239,111,607,633,859,968
  5. Step 5: Solve for x
    x = 239,111,607,633,859,968/549,955,946.88
  6. Step 6: Final answer
    x = 434,783,202.16

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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.