Home / 3,840,762,492.39-5,300,368,685.93-2,147,288,489.66

Finding the Fourth Proportional to 3,840,762,492.39, 5,300,368,685.93 and 2,147,288,489.66

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Solution

The fourth proportional to 3,840,762,492.39, 5,300,368,685.93 and 2,147,288,489.66 is: 2,963,323,218.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,840,762,492.39 : 5,300,368,685.93 = 2,147,288,489.66 : x
  2. Step 2: Convert to fraction form
    3,840,762,492.39/5,300,368,685.93 = 2,147,288,489.66/x
  3. Step 3: Cross multiply
    3,840,762,492.39x = 5,300,368,685.93 × 2,147,288,489.66
  4. Step 4: Simplify right side
    3,840,762,492.39x = 11,381,420,670,270,406,656
  5. Step 5: Solve for x
    x = 11,381,420,670,270,406,656/3,840,762,492.39
  6. Step 6: Final answer
    x = 2,963,323,218.46

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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.