Home / 1,272,045,019.68-1,906,707,014.64-580,916,628

Finding the Fourth Proportional to 1,272,045,019.68, 1,906,707,014.64 and 580,916,628

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Solution

The fourth proportional to 1,272,045,019.68, 1,906,707,014.64 and 580,916,628 is: 870,753,623.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,272,045,019.68 : 1,906,707,014.64 = 580,916,628 : x
  2. Step 2: Convert to fraction form
    1,272,045,019.68/1,906,707,014.64 = 580,916,628/x
  3. Step 3: Cross multiply
    1,272,045,019.68x = 1,906,707,014.64 × 580,916,628
  4. Step 4: Simplify right side
    1,272,045,019.68x = 1,107,637,809,528,615,552
  5. Step 5: Solve for x
    x = 1,107,637,809,528,615,552/1,272,045,019.68
  6. Step 6: Final answer
    x = 870,753,623.02

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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.