Home / 8,538,361,712.13-12,811,223,726.60-3,301,656,813.57

Finding the Fourth Proportional to 8,538,361,712.13, 12,811,223,726.60 and 3,301,656,813.57

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Solution

The fourth proportional to 8,538,361,712.13, 12,811,223,726.60 and 3,301,656,813.57 is: 4,953,908,669.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,538,361,712.13 : 12,811,223,726.60 = 3,301,656,813.57 : x
  2. Step 2: Convert to fraction form
    8,538,361,712.13/12,811,223,726.60 = 3,301,656,813.57/x
  3. Step 3: Cross multiply
    8,538,361,712.13x = 12,811,223,726.60 × 3,301,656,813.57
  4. Step 4: Simplify right side
    8,538,361,712.13x = 42,298,264,107,082,031,104
  5. Step 5: Solve for x
    x = 42,298,264,107,082,031,104/8,538,361,712.13
  6. Step 6: Final answer
    x = 4,953,908,669.27

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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.