Home / 743,820,090.40-1,115,730,135.60-335,673,402.40

Finding the Fourth Proportional to 743,820,090.40, 1,115,730,135.60 and 335,673,402.40

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Solution

The fourth proportional to 743,820,090.40, 1,115,730,135.60 and 335,673,402.40 is: 503,510,103.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,820,090.40 : 1,115,730,135.60 = 335,673,402.40 : x
  2. Step 2: Convert to fraction form
    743,820,090.40/1,115,730,135.60 = 335,673,402.40/x
  3. Step 3: Cross multiply
    743,820,090.40x = 1,115,730,135.60 × 335,673,402.40
  4. Step 4: Simplify right side
    743,820,090.40x = 374,520,930,777,065,280
  5. Step 5: Solve for x
    x = 374,520,930,777,065,280/743,820,090.40
  6. Step 6: Final answer
    x = 503,510,103.60

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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.