Home / 767,523,911.61-1,059,182,998.62-415,099,900.44

Finding the Fourth Proportional to 767,523,911.61, 1,059,182,998.62 and 415,099,900.44

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Solution

The fourth proportional to 767,523,911.61, 1,059,182,998.62 and 415,099,900.44 is: 572,837,862.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    767,523,911.61 : 1,059,182,998.62 = 415,099,900.44 : x
  2. Step 2: Convert to fraction form
    767,523,911.61/1,059,182,998.62 = 415,099,900.44/x
  3. Step 3: Cross multiply
    767,523,911.61x = 1,059,182,998.62 × 415,099,900.44
  4. Step 4: Simplify right side
    767,523,911.61x = 439,666,757,274,902,656
  5. Step 5: Solve for x
    x = 439,666,757,274,902,656/767,523,911.61
  6. Step 6: Final answer
    x = 572,837,862.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.