Home / 743,648,670.40-1,115,473,005.60-335,501,982.40

Finding the Fourth Proportional to 743,648,670.40, 1,115,473,005.60 and 335,501,982.40

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Solution

The fourth proportional to 743,648,670.40, 1,115,473,005.60 and 335,501,982.40 is: 503,252,973.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,648,670.40 : 1,115,473,005.60 = 335,501,982.40 : x
  2. Step 2: Convert to fraction form
    743,648,670.40/1,115,473,005.60 = 335,501,982.40/x
  3. Step 3: Cross multiply
    743,648,670.40x = 1,115,473,005.60 × 335,501,982.40
  4. Step 4: Simplify right side
    743,648,670.40x = 374,243,404,692,486,272
  5. Step 5: Solve for x
    x = 374,243,404,692,486,272/743,648,670.40
  6. Step 6: Final answer
    x = 503,252,973.60

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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.