Home / 763,932,669.37-1,145,429,727.05-297,049,876.45

Finding the Fourth Proportional to 763,932,669.37, 1,145,429,727.05 and 297,049,876.45

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Solution

The fourth proportional to 763,932,669.37, 1,145,429,727.05 and 297,049,876.45 is: 445,392,339.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    763,932,669.37 : 1,145,429,727.05 = 297,049,876.45 : x
  2. Step 2: Convert to fraction form
    763,932,669.37/1,145,429,727.05 = 297,049,876.45/x
  3. Step 3: Cross multiply
    763,932,669.37x = 1,145,429,727.05 × 297,049,876.45
  4. Step 4: Simplify right side
    763,932,669.37x = 340,249,758,896,632,576
  5. Step 5: Solve for x
    x = 340,249,758,896,632,576/763,932,669.37
  6. Step 6: Final answer
    x = 445,392,339.59

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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.