Home / 1,345,896,005.15-2,018,844,007.73-528,034,987.55

Finding the Fourth Proportional to 1,345,896,005.15, 2,018,844,007.73 and 528,034,987.55

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Solution

The fourth proportional to 1,345,896,005.15, 2,018,844,007.73 and 528,034,987.55 is: 792,052,481.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,345,896,005.15 : 2,018,844,007.73 = 528,034,987.55 : x
  2. Step 2: Convert to fraction form
    1,345,896,005.15/2,018,844,007.73 = 528,034,987.55/x
  3. Step 3: Cross multiply
    1,345,896,005.15x = 2,018,844,007.73 × 528,034,987.55
  4. Step 4: Simplify right side
    1,345,896,005.15x = 1,066,020,270,487,102,720
  5. Step 5: Solve for x
    x = 1,066,020,270,487,102,720/1,345,896,005.15
  6. Step 6: Final answer
    x = 792,052,481.33

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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.