Home / 673,404,891.40-1,010,443,260.30-382,495,400.20

Finding the Fourth Proportional to 673,404,891.40, 1,010,443,260.30 and 382,495,400.20

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Solution

The fourth proportional to 673,404,891.40, 1,010,443,260.30 and 382,495,400.20 is: 573,933,905.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,404,891.40 : 1,010,443,260.30 = 382,495,400.20 : x
  2. Step 2: Convert to fraction form
    673,404,891.40/1,010,443,260.30 = 382,495,400.20/x
  3. Step 3: Cross multiply
    673,404,891.40x = 1,010,443,260.30 × 382,495,400.20
  4. Step 4: Simplify right side
    673,404,891.40x = 386,489,899,227,841,216
  5. Step 5: Solve for x
    x = 386,489,899,227,841,216/673,404,891.40
  6. Step 6: Final answer
    x = 573,933,905.39

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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.