Home / 20,851,465,772.80-31,277,198,659.20-6,130,975,225.60

Finding the Fourth Proportional to 20,851,465,772.80, 31,277,198,659.20 and 6,130,975,225.60

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Solution

The fourth proportional to 20,851,465,772.80, 31,277,198,659.20 and 6,130,975,225.60 is: 9,196,462,838.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,851,465,772.80 : 31,277,198,659.20 = 6,130,975,225.60 : x
  2. Step 2: Convert to fraction form
    20,851,465,772.80/31,277,198,659.20 = 6,130,975,225.60/x
  3. Step 3: Cross multiply
    20,851,465,772.80x = 31,277,198,659.20 × 6,130,975,225.60
  4. Step 4: Simplify right side
    20,851,465,772.80x = 191,759,730,105,724,764,160
  5. Step 5: Solve for x
    x = 191,759,730,105,724,764,160/20,851,465,772.80
  6. Step 6: Final answer
    x = 9,196,462,838.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.