Home / 20,827,615,727.43-31,249,701,670.46-6,664,763,662.74

Finding the Fourth Proportional to 20,827,615,727.43, 31,249,701,670.46 and 6,664,763,662.74

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Solution

The fourth proportional to 20,827,615,727.43, 31,249,701,670.46 and 6,664,763,662.74 is: 9,999,794,450.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,827,615,727.43 : 31,249,701,670.46 = 6,664,763,662.74 : x
  2. Step 2: Convert to fraction form
    20,827,615,727.43/31,249,701,670.46 = 6,664,763,662.74/x
  3. Step 3: Cross multiply
    20,827,615,727.43x = 31,249,701,670.46 × 6,664,763,662.74
  4. Step 4: Simplify right side
    20,827,615,727.43x = 208,271,876,164,713,971,712
  5. Step 5: Solve for x
    x = 208,271,876,164,713,971,712/20,827,615,727.43
  6. Step 6: Final answer
    x = 9,999,794,450.33

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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.