Home / 720,802,270,627.68-995,532,689,021.04-474,704,662,683.36

Finding the Fourth Proportional to 720,802,270,627.68, 995,532,689,021.04 and 474,704,662,683.36

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Solution

The fourth proportional to 720,802,270,627.68, 995,532,689,021.04 and 474,704,662,683.36 is: 655,636,127,395.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    720,802,270,627.68 : 995,532,689,021.04 = 474,704,662,683.36 : x
  2. Step 2: Convert to fraction form
    720,802,270,627.68/995,532,689,021.04 = 474,704,662,683.36/x
  3. Step 3: Cross multiply
    720,802,270,627.68x = 995,532,689,021.04 × 474,704,662,683.36
  4. Step 4: Simplify right side
    720,802,270,627.68x = 472,584,009,331,991,138,795,520
  5. Step 5: Solve for x
    x = 472,584,009,331,991,138,795,520/720,802,270,627.68
  6. Step 6: Final answer
    x = 655,636,127,395.19

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.