Home / 293,525,329.49-440,288,076.06-86,263,728.89

Finding the Fourth Proportional to 293,525,329.49, 440,288,076.06 and 86,263,728.89

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Solution

The fourth proportional to 293,525,329.49, 440,288,076.06 and 86,263,728.89 is: 129,395,617.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,525,329.49 : 440,288,076.06 = 86,263,728.89 : x
  2. Step 2: Convert to fraction form
    293,525,329.49/440,288,076.06 = 86,263,728.89/x
  3. Step 3: Cross multiply
    293,525,329.49x = 440,288,076.06 × 86,263,728.89
  4. Step 4: Simplify right side
    293,525,329.49x = 37,980,891,226,739,536
  5. Step 5: Solve for x
    x = 37,980,891,226,739,536/293,525,329.49
  6. Step 6: Final answer
    x = 129,395,617.38

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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.