Home / 12,277,268,411.85-16,942,851,066.72-7,200,294,099.51

Finding the Fourth Proportional to 12,277,268,411.85, 16,942,851,066.72 and 7,200,294,099.51

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Solution

The fourth proportional to 12,277,268,411.85, 16,942,851,066.72 and 7,200,294,099.51 is: 9,936,535,267.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,277,268,411.85 : 16,942,851,066.72 = 7,200,294,099.51 : x
  2. Step 2: Convert to fraction form
    12,277,268,411.85/16,942,851,066.72 = 7,200,294,099.51/x
  3. Step 3: Cross multiply
    12,277,268,411.85x = 16,942,851,066.72 × 7,200,294,099.51
  4. Step 4: Simplify right side
    12,277,268,411.85x = 121,993,510,564,580,720,640
  5. Step 5: Solve for x
    x = 121,993,510,564,580,720,640/12,277,268,411.85
  6. Step 6: Final answer
    x = 9,936,535,267.64

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1.5x scale

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.