Home / 1,265,081,988.48-1,744,586,663.76-986,521,873.92

Finding the Fourth Proportional to 1,265,081,988.48, 1,744,586,663.76 and 986,521,873.92

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Solution

The fourth proportional to 1,265,081,988.48, 1,744,586,663.76 and 986,521,873.92 is: 1,360,443,766.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,265,081,988.48 : 1,744,586,663.76 = 986,521,873.92 : x
  2. Step 2: Convert to fraction form
    1,265,081,988.48/1,744,586,663.76 = 986,521,873.92/x
  3. Step 3: Cross multiply
    1,265,081,988.48x = 1,744,586,663.76 × 986,521,873.92
  4. Step 4: Simplify right side
    1,265,081,988.48x = 1,721,072,904,748,356,096
  5. Step 5: Solve for x
    x = 1,721,072,904,748,356,096/1,265,081,988.48
  6. Step 6: Final answer
    x = 1,360,443,766.03

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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.