Home / 10,815,928,438.66-14,891,291,327.64-8,434,009,876.66

Finding the Fourth Proportional to 10,815,928,438.66, 14,891,291,327.64 and 8,434,009,876.66

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Solution

The fourth proportional to 10,815,928,438.66, 14,891,291,327.64 and 8,434,009,876.66 is: 11,611,883,237.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,815,928,438.66 : 14,891,291,327.64 = 8,434,009,876.66 : x
  2. Step 2: Convert to fraction form
    10,815,928,438.66/14,891,291,327.64 = 8,434,009,876.66/x
  3. Step 3: Cross multiply
    10,815,928,438.66x = 14,891,291,327.64 × 8,434,009,876.66
  4. Step 4: Simplify right side
    10,815,928,438.66x = 125,593,298,133,537,161,216
  5. Step 5: Solve for x
    x = 125,593,298,133,537,161,216/10,815,928,438.66
  6. Step 6: Final answer
    x = 11,611,883,237.38

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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.