Home / 630,207,400.40-944,673,371.40-371,289,345.20

Finding the Fourth Proportional to 630,207,400.40, 944,673,371.40 and 371,289,345.20

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Solution

The fourth proportional to 630,207,400.40, 944,673,371.40 and 371,289,345.20 is: 556,558,296.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    630,207,400.40 : 944,673,371.40 = 371,289,345.20 : x
  2. Step 2: Convert to fraction form
    630,207,400.40/944,673,371.40 = 371,289,345.20/x
  3. Step 3: Cross multiply
    630,207,400.40x = 944,673,371.40 × 371,289,345.20
  4. Step 4: Simplify right side
    630,207,400.40x = 350,747,157,494,982,400
  5. Step 5: Solve for x
    x = 350,747,157,494,982,400/630,207,400.40
  6. Step 6: Final answer
    x = 556,558,296.95

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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.