Home / 12,875,274,447.15-17,768,038,885.26-7,794,570,941.31

Finding the Fourth Proportional to 12,875,274,447.15, 17,768,038,885.26 and 7,794,570,941.31

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Solution

The fourth proportional to 12,875,274,447.15, 17,768,038,885.26 and 7,794,570,941.31 is: 10,756,604,851.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,875,274,447.15 : 17,768,038,885.26 = 7,794,570,941.31 : x
  2. Step 2: Convert to fraction form
    12,875,274,447.15/17,768,038,885.26 = 7,794,570,941.31/x
  3. Step 3: Cross multiply
    12,875,274,447.15x = 17,768,038,885.26 × 7,794,570,941.31
  4. Step 4: Simplify right side
    12,875,274,447.15x = 138,494,239,579,113,717,760
  5. Step 5: Solve for x
    x = 138,494,239,579,113,717,760/12,875,274,447.15
  6. Step 6: Final answer
    x = 10,756,604,851.23

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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.