Home / 673,404,881.40-1,010,443,245.30-382,495,390.20

Finding the Fourth Proportional to 673,404,881.40, 1,010,443,245.30 and 382,495,390.20

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Solution

The fourth proportional to 673,404,881.40, 1,010,443,245.30 and 382,495,390.20 is: 573,933,890.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,404,881.40 : 1,010,443,245.30 = 382,495,390.20 : x
  2. Step 2: Convert to fraction form
    673,404,881.40/1,010,443,245.30 = 382,495,390.20/x
  3. Step 3: Cross multiply
    673,404,881.40x = 1,010,443,245.30 × 382,495,390.20
  4. Step 4: Simplify right side
    673,404,881.40x = 386,489,883,385,977,792
  5. Step 5: Solve for x
    x = 386,489,883,385,977,792/673,404,881.40
  6. Step 6: Final answer
    x = 573,933,890.38

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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.