Home / 767,523,909.61-1,059,182,995.85-415,099,898.43

Finding the Fourth Proportional to 767,523,909.61, 1,059,182,995.85 and 415,099,898.43

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Solution

The fourth proportional to 767,523,909.61, 1,059,182,995.85 and 415,099,898.43 is: 572,837,860.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    767,523,909.61 : 1,059,182,995.85 = 415,099,898.43 : x
  2. Step 2: Convert to fraction form
    767,523,909.61/1,059,182,995.85 = 415,099,898.43/x
  3. Step 3: Cross multiply
    767,523,909.61x = 1,059,182,995.85 × 415,099,898.43
  4. Step 4: Simplify right side
    767,523,909.61x = 439,666,753,996,118,144
  5. Step 5: Solve for x
    x = 439,666,753,996,118,144/767,523,909.61
  6. Step 6: Final answer
    x = 572,837,860.15

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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.