Home / 1,260,265,946.04-1,890,695,848.86-431,228,614.86

Finding the Fourth Proportional to 1,260,265,946.04, 1,890,695,848.86 and 431,228,614.86

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Solution

The fourth proportional to 1,260,265,946.04, 1,890,695,848.86 and 431,228,614.86 is: 646,944,523.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,260,265,946.04 : 1,890,695,848.86 = 431,228,614.86 : x
  2. Step 2: Convert to fraction form
    1,260,265,946.04/1,890,695,848.86 = 431,228,614.86/x
  3. Step 3: Cross multiply
    1,260,265,946.04x = 1,890,695,848.86 × 431,228,614.86
  4. Step 4: Simplify right side
    1,260,265,946.04x = 815,322,152,025,449,728
  5. Step 5: Solve for x
    x = 815,322,152,025,449,728/1,260,265,946.04
  6. Step 6: Final answer
    x = 646,944,523.56

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Double scale
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Similar ratio
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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.