Home / 507,541,447.15-761,164,477.09-196,579,707.12

Finding the Fourth Proportional to 507,541,447.15, 761,164,477.09 and 196,579,707.12

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Solution

The fourth proportional to 507,541,447.15, 761,164,477.09 and 196,579,707.12 is: 294,812,356.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,541,447.15 : 761,164,477.09 = 196,579,707.12 : x
  2. Step 2: Convert to fraction form
    507,541,447.15/761,164,477.09 = 196,579,707.12/x
  3. Step 3: Cross multiply
    507,541,447.15x = 761,164,477.09 × 196,579,707.12
  4. Step 4: Simplify right side
    507,541,447.15x = 149,629,489,976,500,160
  5. Step 5: Solve for x
    x = 149,629,489,976,500,160/507,541,447.15
  6. Step 6: Final answer
    x = 294,812,356.34

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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.