Home / 1,345,172,703.93-2,018,341,574.28-722,661,612.21

Finding the Fourth Proportional to 1,345,172,703.93, 2,018,341,574.28 and 722,661,612.21

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Solution

The fourth proportional to 1,345,172,703.93, 2,018,341,574.28 and 722,661,612.21 is: 1,084,305,362.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,345,172,703.93 : 2,018,341,574.28 = 722,661,612.21 : x
  2. Step 2: Convert to fraction form
    1,345,172,703.93/2,018,341,574.28 = 722,661,612.21/x
  3. Step 3: Cross multiply
    1,345,172,703.93x = 2,018,341,574.28 × 722,661,612.21
  4. Step 4: Simplify right side
    1,345,172,703.93x = 1,458,577,976,059,654,400
  5. Step 5: Solve for x
    x = 1,458,577,976,059,654,400/1,345,172,703.93
  6. Step 6: Final answer
    x = 1,084,305,362.28

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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.