Home / 753,844,743.60-1,130,792,309.64-208,540,613.04

Finding the Fourth Proportional to 753,844,743.60, 1,130,792,309.64 and 208,540,613.04

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Solution

The fourth proportional to 753,844,743.60, 1,130,792,309.64 and 208,540,613.04 is: 312,817,889.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,844,743.60 : 1,130,792,309.64 = 208,540,613.04 : x
  2. Step 2: Convert to fraction form
    753,844,743.60/1,130,792,309.64 = 208,540,613.04/x
  3. Step 3: Cross multiply
    753,844,743.60x = 1,130,792,309.64 × 208,540,613.04
  4. Step 4: Simplify right side
    753,844,743.60x = 235,816,121,473,243,104
  5. Step 5: Solve for x
    x = 235,816,121,473,243,104/753,844,743.60
  6. Step 6: Final answer
    x = 312,817,889.19

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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.