Home / 2,811,769,818.66-3,880,242,265.77-1,558,703,499.30

Finding the Fourth Proportional to 2,811,769,818.66, 3,880,242,265.77 and 1,558,703,499.30

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Solution

The fourth proportional to 2,811,769,818.66, 3,880,242,265.77 and 1,558,703,499.30 is: 2,151,010,782.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,811,769,818.66 : 3,880,242,265.77 = 1,558,703,499.30 : x
  2. Step 2: Convert to fraction form
    2,811,769,818.66/3,880,242,265.77 = 1,558,703,499.30/x
  3. Step 3: Cross multiply
    2,811,769,818.66x = 3,880,242,265.77 × 1,558,703,499.30
  4. Step 4: Simplify right side
    2,811,769,818.66x = 6,048,147,197,787,459,584
  5. Step 5: Solve for x
    x = 6,048,147,197,787,459,584/2,811,769,818.66
  6. Step 6: Final answer
    x = 2,151,010,782.48

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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.