Home / 7,118,426,986.07-10,679,713,781.87-3,187,213,776.18

Finding the Fourth Proportional to 7,118,426,986.07, 10,679,713,781.87 and 3,187,213,776.18

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Solution

The fourth proportional to 7,118,426,986.07, 10,679,713,781.87 and 3,187,213,776.18 is: 4,781,748,967.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,118,426,986.07 : 10,679,713,781.87 = 3,187,213,776.18 : x
  2. Step 2: Convert to fraction form
    7,118,426,986.07/10,679,713,781.87 = 3,187,213,776.18/x
  3. Step 3: Cross multiply
    7,118,426,986.07x = 10,679,713,781.87 × 3,187,213,776.18
  4. Step 4: Simplify right side
    7,118,426,986.07x = 34,038,530,891,241,844,736
  5. Step 5: Solve for x
    x = 34,038,530,891,241,844,736/7,118,426,986.07
  6. Step 6: Final answer
    x = 4,781,748,967.56

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1.5x scale

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.