Home / 523,944,967.14-723,031,383.81-288,990,580.50

Finding the Fourth Proportional to 523,944,967.14, 723,031,383.81 and 288,990,580.50

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Solution

The fourth proportional to 523,944,967.14, 723,031,383.81 and 288,990,580.50 is: 398,800,012.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    523,944,967.14 : 723,031,383.81 = 288,990,580.50 : x
  2. Step 2: Convert to fraction form
    523,944,967.14/723,031,383.81 = 288,990,580.50/x
  3. Step 3: Cross multiply
    523,944,967.14x = 723,031,383.81 × 288,990,580.50
  4. Step 4: Simplify right side
    523,944,967.14x = 208,949,259,326,970,176
  5. Step 5: Solve for x
    x = 208,949,259,326,970,176/523,944,967.14
  6. Step 6: Final answer
    x = 398,800,012.28

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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.