Home / 888,519,288.65-1,332,778,932.98-429,354,264.65

Finding the Fourth Proportional to 888,519,288.65, 1,332,778,932.98 and 429,354,264.65

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Solution

The fourth proportional to 888,519,288.65, 1,332,778,932.98 and 429,354,264.65 is: 644,031,396.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    888,519,288.65 : 1,332,778,932.98 = 429,354,264.65 : x
  2. Step 2: Convert to fraction form
    888,519,288.65/1,332,778,932.98 = 429,354,264.65/x
  3. Step 3: Cross multiply
    888,519,288.65x = 1,332,778,932.98 × 429,354,264.65
  4. Step 4: Simplify right side
    888,519,288.65x = 572,234,318,708,492,672
  5. Step 5: Solve for x
    x = 572,234,318,708,492,672/888,519,288.65
  6. Step 6: Final answer
    x = 644,031,396.98

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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.