Home / 523,944,966.64-723,031,383.12-288,990,580

Finding the Fourth Proportional to 523,944,966.64, 723,031,383.12 and 288,990,580

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Solution

The fourth proportional to 523,944,966.64, 723,031,383.12 and 288,990,580 is: 398,800,011.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    523,944,966.64 : 723,031,383.12 = 288,990,580 : x
  2. Step 2: Convert to fraction form
    523,944,966.64/723,031,383.12 = 288,990,580/x
  3. Step 3: Cross multiply
    523,944,966.64x = 723,031,383.12 × 288,990,580
  4. Step 4: Simplify right side
    523,944,966.64x = 208,949,258,766,051,008
  5. Step 5: Solve for x
    x = 208,949,258,766,051,008/523,944,966.64
  6. Step 6: Final answer
    x = 398,800,011.59

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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.