Home / 472,827,543.20-709,241,314.80-255,149,309.60

Finding the Fourth Proportional to 472,827,543.20, 709,241,314.80 and 255,149,309.60

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Solution

The fourth proportional to 472,827,543.20, 709,241,314.80 and 255,149,309.60 is: 382,723,964.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,827,543.20 : 709,241,314.80 = 255,149,309.60 : x
  2. Step 2: Convert to fraction form
    472,827,543.20/709,241,314.80 = 255,149,309.60/x
  3. Step 3: Cross multiply
    472,827,543.20x = 709,241,314.80 × 255,149,309.60
  4. Step 4: Simplify right side
    472,827,543.20x = 180,962,431,811,016,256
  5. Step 5: Solve for x
    x = 180,962,431,811,016,256/472,827,543.20
  6. Step 6: Final answer
    x = 382,723,964.40

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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.