Home / 315,461,358.11-472,769,064.42-245,516,045.33

Finding the Fourth Proportional to 315,461,358.11, 472,769,064.42 and 245,516,045.33

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Solution

The fourth proportional to 315,461,358.11, 472,769,064.42 and 245,516,045.33 is: 367,944,878.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,461,358.11 : 472,769,064.42 = 245,516,045.33 : x
  2. Step 2: Convert to fraction form
    315,461,358.11/472,769,064.42 = 245,516,045.33/x
  3. Step 3: Cross multiply
    315,461,358.11x = 472,769,064.42 × 245,516,045.33
  4. Step 4: Simplify right side
    315,461,358.11x = 116,072,391,048,398,560
  5. Step 5: Solve for x
    x = 116,072,391,048,398,560/315,461,358.11
  6. Step 6: Final answer
    x = 367,944,878.40

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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.