Home / 713,221,175.04-983,828,221.44-448,484,179.20

Finding the Fourth Proportional to 713,221,175.04, 983,828,221.44 and 448,484,179.20

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Solution

The fourth proportional to 713,221,175.04, 983,828,221.44 and 448,484,179.20 is: 618,645,951.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    713,221,175.04 : 983,828,221.44 = 448,484,179.20 : x
  2. Step 2: Convert to fraction form
    713,221,175.04/983,828,221.44 = 448,484,179.20/x
  3. Step 3: Cross multiply
    713,221,175.04x = 983,828,221.44 × 448,484,179.20
  4. Step 4: Simplify right side
    713,221,175.04x = 441,231,392,366,314,240
  5. Step 5: Solve for x
    x = 441,231,392,366,314,240/713,221,175.04
  6. Step 6: Final answer
    x = 618,645,951.37

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1.5x scale

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.