Home / 3,078,237,678.68-4,247,854,191.77-1,668,511,374.33

Finding the Fourth Proportional to 3,078,237,678.68, 4,247,854,191.77 and 1,668,511,374.33

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Solution

The fourth proportional to 3,078,237,678.68, 4,247,854,191.77 and 1,668,511,374.33 is: 2,302,484,010.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,078,237,678.68 : 4,247,854,191.77 = 1,668,511,374.33 : x
  2. Step 2: Convert to fraction form
    3,078,237,678.68/4,247,854,191.77 = 1,668,511,374.33/x
  3. Step 3: Cross multiply
    3,078,237,678.68x = 4,247,854,191.77 × 1,668,511,374.33
  4. Step 4: Simplify right side
    3,078,237,678.68x = 7,087,593,035,463,613,440
  5. Step 5: Solve for x
    x = 7,087,593,035,463,613,440/3,078,237,678.68
  6. Step 6: Final answer
    x = 2,302,484,010.43

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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.