Home / 424,288,210.86-585,513,488.79-236,113,285.23

Finding the Fourth Proportional to 424,288,210.86, 585,513,488.79 and 236,113,285.23

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Solution

The fourth proportional to 424,288,210.86, 585,513,488.79 and 236,113,285.23 is: 325,833,972.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,288,210.86 : 585,513,488.79 = 236,113,285.23 : x
  2. Step 2: Convert to fraction form
    424,288,210.86/585,513,488.79 = 236,113,285.23/x
  3. Step 3: Cross multiply
    424,288,210.86x = 585,513,488.79 × 236,113,285.23
  4. Step 4: Simplify right side
    424,288,210.86x = 138,247,513,384,685,664
  5. Step 5: Solve for x
    x = 138,247,513,384,685,664/424,288,210.86
  6. Step 6: Final answer
    x = 325,833,972.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.