Home / 673,404,884.40-1,010,443,249.80-382,495,393.20

Finding the Fourth Proportional to 673,404,884.40, 1,010,443,249.80 and 382,495,393.20

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Solution

The fourth proportional to 673,404,884.40, 1,010,443,249.80 and 382,495,393.20 is: 573,933,894.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,404,884.40 : 1,010,443,249.80 = 382,495,393.20 : x
  2. Step 2: Convert to fraction form
    673,404,884.40/1,010,443,249.80 = 382,495,393.20/x
  3. Step 3: Cross multiply
    673,404,884.40x = 1,010,443,249.80 × 382,495,393.20
  4. Step 4: Simplify right side
    673,404,884.40x = 386,489,888,138,536,768
  5. Step 5: Solve for x
    x = 386,489,888,138,536,768/673,404,884.40
  6. Step 6: Final answer
    x = 573,933,894.89

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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.