Home / 1,161,367,893.20-1,742,066,009.40-343,496,723.60

Finding the Fourth Proportional to 1,161,367,893.20, 1,742,066,009.40 and 343,496,723.60

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Solution

The fourth proportional to 1,161,367,893.20, 1,742,066,009.40 and 343,496,723.60 is: 515,249,276.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,161,367,893.20 : 1,742,066,009.40 = 343,496,723.60 : x
  2. Step 2: Convert to fraction form
    1,161,367,893.20/1,742,066,009.40 = 343,496,723.60/x
  3. Step 3: Cross multiply
    1,161,367,893.20x = 1,742,066,009.40 × 343,496,723.60
  4. Step 4: Simplify right side
    1,161,367,893.20x = 598,393,966,523,826,816
  5. Step 5: Solve for x
    x = 598,393,966,523,826,816/1,161,367,893.20
  6. Step 6: Final answer
    x = 515,249,276.33

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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.