Home / 1,345,172,698.68-2,018,341,566.41-722,661,606.96

Finding the Fourth Proportional to 1,345,172,698.68, 2,018,341,566.41 and 722,661,606.96

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Solution

The fourth proportional to 1,345,172,698.68, 2,018,341,566.41 and 722,661,606.96 is: 1,084,305,354.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,345,172,698.68 : 2,018,341,566.41 = 722,661,606.96 : x
  2. Step 2: Convert to fraction form
    1,345,172,698.68/2,018,341,566.41 = 722,661,606.96/x
  3. Step 3: Cross multiply
    1,345,172,698.68x = 2,018,341,566.41 × 722,661,606.96
  4. Step 4: Simplify right side
    1,345,172,698.68x = 1,458,577,959,772,400,896
  5. Step 5: Solve for x
    x = 1,458,577,959,772,400,896/1,345,172,698.68
  6. Step 6: Final answer
    x = 1,084,305,354.40

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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.