Home / 3,417,116,997.72-4,715,804,551.50-1,911,653,540.76

Finding the Fourth Proportional to 3,417,116,997.72, 4,715,804,551.50 and 1,911,653,540.76

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Solution

The fourth proportional to 3,417,116,997.72, 4,715,804,551.50 and 1,911,653,540.76 is: 2,638,184,315.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,417,116,997.72 : 4,715,804,551.50 = 1,911,653,540.76 : x
  2. Step 2: Convert to fraction form
    3,417,116,997.72/4,715,804,551.50 = 1,911,653,540.76/x
  3. Step 3: Cross multiply
    3,417,116,997.72x = 4,715,804,551.50 × 1,911,653,540.76
  4. Step 4: Simplify right side
    3,417,116,997.72x = 9,014,984,468,407,098,368
  5. Step 5: Solve for x
    x = 9,014,984,468,407,098,368/3,417,116,997.72
  6. Step 6: Final answer
    x = 2,638,184,315.73

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Double scale
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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.