Home / 293,402,261.80-440,103,392.70-190,090,131.40

Finding the Fourth Proportional to 293,402,261.80, 440,103,392.70 and 190,090,131.40

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Solution

The fourth proportional to 293,402,261.80, 440,103,392.70 and 190,090,131.40 is: 285,135,197.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,402,261.80 : 440,103,392.70 = 190,090,131.40 : x
  2. Step 2: Convert to fraction form
    293,402,261.80/440,103,392.70 = 190,090,131.40/x
  3. Step 3: Cross multiply
    293,402,261.80x = 440,103,392.70 × 190,090,131.40
  4. Step 4: Simplify right side
    293,402,261.80x = 83,659,311,747,928,800
  5. Step 5: Solve for x
    x = 83,659,311,747,928,800/293,402,261.80
  6. Step 6: Final answer
    x = 285,135,197.10

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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.