Home / 527,966,514.80-792,044,250.60-221,289,628.40

Finding the Fourth Proportional to 527,966,514.80, 792,044,250.60 and 221,289,628.40

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Solution

The fourth proportional to 527,966,514.80, 792,044,250.60 and 221,289,628.40 is: 331,974,041.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,966,514.80 : 792,044,250.60 = 221,289,628.40 : x
  2. Step 2: Convert to fraction form
    527,966,514.80/792,044,250.60 = 221,289,628.40/x
  3. Step 3: Cross multiply
    527,966,514.80x = 792,044,250.60 × 221,289,628.40
  4. Step 4: Simplify right side
    527,966,514.80x = 175,271,177,891,630,496
  5. Step 5: Solve for x
    x = 175,271,177,891,630,496/527,966,514.80
  6. Step 6: Final answer
    x = 331,974,041.87

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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.