Home / 403,890,983.42-606,020,555.53-207,292,456.51

Finding the Fourth Proportional to 403,890,983.42, 606,020,555.53 and 207,292,456.51

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Solution

The fourth proportional to 403,890,983.42, 606,020,555.53 and 207,292,456.51 is: 311,033,161.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,890,983.42 : 606,020,555.53 = 207,292,456.51 : x
  2. Step 2: Convert to fraction form
    403,890,983.42/606,020,555.53 = 207,292,456.51/x
  3. Step 3: Cross multiply
    403,890,983.42x = 606,020,555.53 × 207,292,456.51
  4. Step 4: Simplify right side
    403,890,983.42x = 125,623,489,650,439,056
  5. Step 5: Solve for x
    x = 125,623,489,650,439,056/403,890,983.42
  6. Step 6: Final answer
    x = 311,033,161.93

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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.