Home / 369,309,683.14-509,659,444.51-202,042,064.21

Finding the Fourth Proportional to 369,309,683.14, 509,659,444.51 and 202,042,064.21

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Solution

The fourth proportional to 369,309,683.14, 509,659,444.51 and 202,042,064.21 is: 278,824,658.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,309,683.14 : 509,659,444.51 = 202,042,064.21 : x
  2. Step 2: Convert to fraction form
    369,309,683.14/509,659,444.51 = 202,042,064.21/x
  3. Step 3: Cross multiply
    369,309,683.14x = 509,659,444.51 × 202,042,064.21
  4. Step 4: Simplify right side
    369,309,683.14x = 102,972,646,209,868,960
  5. Step 5: Solve for x
    x = 102,972,646,209,868,960/369,309,683.14
  6. Step 6: Final answer
    x = 278,824,658.31

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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.