Home / 476,585,809.20-714,878,713.80-169,767,205.20

Finding the Fourth Proportional to 476,585,809.20, 714,878,713.80 and 169,767,205.20

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Solution

The fourth proportional to 476,585,809.20, 714,878,713.80 and 169,767,205.20 is: 254,650,807.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,585,809.20 : 714,878,713.80 = 169,767,205.20 : x
  2. Step 2: Convert to fraction form
    476,585,809.20/714,878,713.80 = 169,767,205.20/x
  3. Step 3: Cross multiply
    476,585,809.20x = 714,878,713.80 × 169,767,205.20
  4. Step 4: Simplify right side
    476,585,809.20x = 121,362,961,298,796,656
  5. Step 5: Solve for x
    x = 121,362,961,298,796,656/476,585,809.20
  6. Step 6: Final answer
    x = 254,650,807.80

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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.