Home / 1,128,535,735.83-1,692,132,996.93-429,079,072.17

Finding the Fourth Proportional to 1,128,535,735.83, 1,692,132,996.93 and 429,079,072.17

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Solution

The fourth proportional to 1,128,535,735.83, 1,692,132,996.93 and 429,079,072.17 is: 643,363,637.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,128,535,735.83 : 1,692,132,996.93 = 429,079,072.17 : x
  2. Step 2: Convert to fraction form
    1,128,535,735.83/1,692,132,996.93 = 429,079,072.17/x
  3. Step 3: Cross multiply
    1,128,535,735.83x = 1,692,132,996.93 × 429,079,072.17
  4. Step 4: Simplify right side
    1,128,535,735.83x = 726,058,856,310,965,888
  5. Step 5: Solve for x
    x = 726,058,856,310,965,888/1,128,535,735.83
  6. Step 6: Final answer
    x = 643,363,637.73

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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.