Home / 472,408,666.80-708,613,000.20-127,397,169.60

Finding the Fourth Proportional to 472,408,666.80, 708,613,000.20 and 127,397,169.60

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Solution

The fourth proportional to 472,408,666.80, 708,613,000.20 and 127,397,169.60 is: 191,095,754.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,408,666.80 : 708,613,000.20 = 127,397,169.60 : x
  2. Step 2: Convert to fraction form
    472,408,666.80/708,613,000.20 = 127,397,169.60/x
  3. Step 3: Cross multiply
    472,408,666.80x = 708,613,000.20 × 127,397,169.60
  4. Step 4: Simplify right side
    472,408,666.80x = 90,275,290,567,244,240
  5. Step 5: Solve for x
    x = 90,275,290,567,244,240/472,408,666.80
  6. Step 6: Final answer
    x = 191,095,754.40

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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.