Home / 2,842,315,728.20-3,922,132,478.32-1,572,129,373.90

Finding the Fourth Proportional to 2,842,315,728.20, 3,922,132,478.32 and 1,572,129,373.90

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Solution

The fourth proportional to 2,842,315,728.20, 3,922,132,478.32 and 1,572,129,373.90 is: 2,169,392,941.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,842,315,728.20 : 3,922,132,478.32 = 1,572,129,373.90 : x
  2. Step 2: Convert to fraction form
    2,842,315,728.20/3,922,132,478.32 = 1,572,129,373.90/x
  3. Step 3: Cross multiply
    2,842,315,728.20x = 3,922,132,478.32 × 1,572,129,373.90
  4. Step 4: Simplify right side
    2,842,315,728.20x = 6,166,099,677,494,077,440
  5. Step 5: Solve for x
    x = 6,166,099,677,494,077,440/2,842,315,728.20
  6. Step 6: Final answer
    x = 2,169,392,941.23

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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.