Home / 923,300,866.14-1,385,036,438.36-301,519,356.72

Finding the Fourth Proportional to 923,300,866.14, 1,385,036,438.36 and 301,519,356.72

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Solution

The fourth proportional to 923,300,866.14, 1,385,036,438.36 and 301,519,356.72 is: 452,306,838.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    923,300,866.14 : 1,385,036,438.36 = 301,519,356.72 : x
  2. Step 2: Convert to fraction form
    923,300,866.14/1,385,036,438.36 = 301,519,356.72/x
  3. Step 3: Cross multiply
    923,300,866.14x = 1,385,036,438.36 × 301,519,356.72
  4. Step 4: Simplify right side
    923,300,866.14x = 417,615,295,926,559,552
  5. Step 5: Solve for x
    x = 417,615,295,926,559,552/923,300,866.14
  6. Step 6: Final answer
    x = 452,306,838.69

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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.