Home / 673,824,000.80-1,011,491,828.40-521,146,906.40

Finding the Fourth Proportional to 673,824,000.80, 1,011,491,828.40 and 521,146,906.40

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Solution

The fourth proportional to 673,824,000.80, 1,011,491,828.40 and 521,146,906.40 is: 782,304,929.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,824,000.80 : 1,011,491,828.40 = 521,146,906.40 : x
  2. Step 2: Convert to fraction form
    673,824,000.80/1,011,491,828.40 = 521,146,906.40/x
  3. Step 3: Cross multiply
    673,824,000.80x = 1,011,491,828.40 × 521,146,906.40
  4. Step 4: Simplify right side
    673,824,000.80x = 527,135,837,219,539,648
  5. Step 5: Solve for x
    x = 527,135,837,219,539,648/673,824,000.80
  6. Step 6: Final answer
    x = 782,304,929.17

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1.5x scale

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.