Home / 629,532,001.20-944,298,001.80-220,535,007.60

Finding the Fourth Proportional to 629,532,001.20, 944,298,001.80 and 220,535,007.60

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Solution

The fourth proportional to 629,532,001.20, 944,298,001.80 and 220,535,007.60 is: 330,802,511.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,532,001.20 : 944,298,001.80 = 220,535,007.60 : x
  2. Step 2: Convert to fraction form
    629,532,001.20/944,298,001.80 = 220,535,007.60/x
  3. Step 3: Cross multiply
    629,532,001.20x = 944,298,001.80 × 220,535,007.60
  4. Step 4: Simplify right side
    629,532,001.20x = 208,250,767,003,627,808
  5. Step 5: Solve for x
    x = 208,250,767,003,627,808/629,532,001.20
  6. Step 6: Final answer
    x = 330,802,511.40

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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.