Home / 20,341,987,407.96-28,073,513,341.08-12,204,095,978.34

Finding the Fourth Proportional to 20,341,987,407.96, 28,073,513,341.08 and 12,204,095,978.34

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Solution

The fourth proportional to 20,341,987,407.96, 28,073,513,341.08 and 12,204,095,978.34 is: 16,842,594,796.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,341,987,407.96 : 28,073,513,341.08 = 12,204,095,978.34 : x
  2. Step 2: Convert to fraction form
    20,341,987,407.96/28,073,513,341.08 = 12,204,095,978.34/x
  3. Step 3: Cross multiply
    20,341,987,407.96x = 28,073,513,341.08 × 12,204,095,978.34
  4. Step 4: Simplify right side
    20,341,987,407.96x = 342,611,851,263,748,800,512
  5. Step 5: Solve for x
    x = 342,611,851,263,748,800,512/20,341,987,407.96
  6. Step 6: Final answer
    x = 16,842,594,796.30

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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.