Home / 758,403,750.90-1,135,905,015.15-622,354,854.90

Finding the Fourth Proportional to 758,403,750.90, 1,135,905,015.15 and 622,354,854.90

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Solution

The fourth proportional to 758,403,750.90, 1,135,905,015.15 and 622,354,854.90 is: 932,136,741.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    758,403,750.90 : 1,135,905,015.15 = 622,354,854.90 : x
  2. Step 2: Convert to fraction form
    758,403,750.90/1,135,905,015.15 = 622,354,854.90/x
  3. Step 3: Cross multiply
    758,403,750.90x = 1,135,905,015.15 × 622,354,854.90
  4. Step 4: Simplify right side
    758,403,750.90x = 706,936,000,883,860,608
  5. Step 5: Solve for x
    x = 706,936,000,883,860,608/758,403,750.90
  6. Step 6: Final answer
    x = 932,136,741.21

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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.