Home / 883,147,118.31-1,218,751,083.47-486,684,332.93

Finding the Fourth Proportional to 883,147,118.31, 1,218,751,083.47 and 486,684,332.93

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Solution

The fourth proportional to 883,147,118.31, 1,218,751,083.47 and 486,684,332.93 is: 671,628,821.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    883,147,118.31 : 1,218,751,083.47 = 486,684,332.93 : x
  2. Step 2: Convert to fraction form
    883,147,118.31/1,218,751,083.47 = 486,684,332.93/x
  3. Step 3: Cross multiply
    883,147,118.31x = 1,218,751,083.47 × 486,684,332.93
  4. Step 4: Simplify right side
    883,147,118.31x = 593,147,058,070,575,360
  5. Step 5: Solve for x
    x = 593,147,058,070,575,360/883,147,118.31
  6. Step 6: Final answer
    x = 671,628,821.26

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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.