Home / 3,988,051,898.48-5,976,730,632.42-3,103,805,009.84

Finding the Fourth Proportional to 3,988,051,898.48, 5,976,730,632.42 and 3,103,805,009.84

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Solution

The fourth proportional to 3,988,051,898.48, 5,976,730,632.42 and 3,103,805,009.84 is: 4,651,545,905.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,988,051,898.48 : 5,976,730,632.42 = 3,103,805,009.84 : x
  2. Step 2: Convert to fraction form
    3,988,051,898.48/5,976,730,632.42 = 3,103,805,009.84/x
  3. Step 3: Cross multiply
    3,988,051,898.48x = 5,976,730,632.42 × 3,103,805,009.84
  4. Step 4: Simplify right side
    3,988,051,898.48x = 18,550,606,479,369,388,032
  5. Step 5: Solve for x
    x = 18,550,606,479,369,388,032/3,988,051,898.48
  6. Step 6: Final answer
    x = 4,651,545,905.52

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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.