Home / 862,230,769.80-1,293,346,154.70-248,835,006.60

Finding the Fourth Proportional to 862,230,769.80, 1,293,346,154.70 and 248,835,006.60

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Solution

The fourth proportional to 862,230,769.80, 1,293,346,154.70 and 248,835,006.60 is: 373,252,509.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    862,230,769.80 : 1,293,346,154.70 = 248,835,006.60 : x
  2. Step 2: Convert to fraction form
    862,230,769.80/1,293,346,154.70 = 248,835,006.60/x
  3. Step 3: Cross multiply
    862,230,769.80x = 1,293,346,154.70 × 248,835,006.60
  4. Step 4: Simplify right side
    862,230,769.80x = 321,829,798,940,859,136
  5. Step 5: Solve for x
    x = 321,829,798,940,859,136/862,230,769.80
  6. Step 6: Final answer
    x = 373,252,509.90

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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.