Home / 982,399,555.60-1,356,323,219.96-625,368,782.08

Finding the Fourth Proportional to 982,399,555.60, 1,356,323,219.96 and 625,368,782.08

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Solution

The fourth proportional to 982,399,555.60, 1,356,323,219.96 and 625,368,782.08 is: 863,398,395.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    982,399,555.60 : 1,356,323,219.96 = 625,368,782.08 : x
  2. Step 2: Convert to fraction form
    982,399,555.60/1,356,323,219.96 = 625,368,782.08/x
  3. Step 3: Cross multiply
    982,399,555.60x = 1,356,323,219.96 × 625,368,782.08
  4. Step 4: Simplify right side
    982,399,555.60x = 848,202,200,173,209,216
  5. Step 5: Solve for x
    x = 848,202,200,173,209,216/982,399,555.60
  6. Step 6: Final answer
    x = 863,398,395.63

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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.