Home / 363,392,006.40-545,088,009.60-210,336,998.40

Finding the Fourth Proportional to 363,392,006.40, 545,088,009.60 and 210,336,998.40

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Solution

The fourth proportional to 363,392,006.40, 545,088,009.60 and 210,336,998.40 is: 315,505,497.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,392,006.40 : 545,088,009.60 = 210,336,998.40 : x
  2. Step 2: Convert to fraction form
    363,392,006.40/545,088,009.60 = 210,336,998.40/x
  3. Step 3: Cross multiply
    363,392,006.40x = 545,088,009.60 × 210,336,998.40
  4. Step 4: Simplify right side
    363,392,006.40x = 114,652,175,803,094,400
  5. Step 5: Solve for x
    x = 114,652,175,803,094,400/363,392,006.40
  6. Step 6: Final answer
    x = 315,505,497.60

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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.