Home / 627,339,996.80-941,009,995.20-577,175,465.60

Finding the Fourth Proportional to 627,339,996.80, 941,009,995.20 and 577,175,465.60

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Solution

The fourth proportional to 627,339,996.80, 941,009,995.20 and 577,175,465.60 is: 865,763,198.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,339,996.80 : 941,009,995.20 = 577,175,465.60 : x
  2. Step 2: Convert to fraction form
    627,339,996.80/941,009,995.20 = 577,175,465.60/x
  3. Step 3: Cross multiply
    627,339,996.80x = 941,009,995.20 × 577,175,465.60
  4. Step 4: Simplify right side
    627,339,996.80x = 543,127,882,113,813,824
  5. Step 5: Solve for x
    x = 543,127,882,113,813,824/627,339,996.80
  6. Step 6: Final answer
    x = 865,763,198.40

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1.5x scale

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.