Home / 845,369,421.45-1,166,570,277.28-469,022,003.90

Finding the Fourth Proportional to 845,369,421.45, 1,166,570,277.28 and 469,022,003.90

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Solution

The fourth proportional to 845,369,421.45, 1,166,570,277.28 and 469,022,003.90 is: 647,228,436.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    845,369,421.45 : 1,166,570,277.28 = 469,022,003.90 : x
  2. Step 2: Convert to fraction form
    845,369,421.45/1,166,570,277.28 = 469,022,003.90/x
  3. Step 3: Cross multiply
    845,369,421.45x = 1,166,570,277.28 × 469,022,003.90
  4. Step 4: Simplify right side
    845,369,421.45x = 547,147,129,140,044,224
  5. Step 5: Solve for x
    x = 547,147,129,140,044,224/845,369,421.45
  6. Step 6: Final answer
    x = 647,228,436.77

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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.