Home / 780,965,936.94-1,077,730,035.45-428,547,824.04

Finding the Fourth Proportional to 780,965,936.94, 1,077,730,035.45 and 428,547,824.04

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Solution

The fourth proportional to 780,965,936.94, 1,077,730,035.45 and 428,547,824.04 is: 591,394,374.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    780,965,936.94 : 1,077,730,035.45 = 428,547,824.04 : x
  2. Step 2: Convert to fraction form
    780,965,936.94/1,077,730,035.45 = 428,547,824.04/x
  3. Step 3: Cross multiply
    780,965,936.94x = 1,077,730,035.45 × 428,547,824.04
  4. Step 4: Simplify right side
    780,965,936.94x = 461,858,861,594,649,600
  5. Step 5: Solve for x
    x = 461,858,861,594,649,600/780,965,936.94
  6. Step 6: Final answer
    x = 591,394,374.26

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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.