Home / 12,467,549,258.17-18,731,158,548.98-7,994,407,787.34

Finding the Fourth Proportional to 12,467,549,258.17, 18,731,158,548.98 and 7,994,407,787.34

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Solution

The fourth proportional to 12,467,549,258.17, 18,731,158,548.98 and 7,994,407,787.34 is: 12,010,742,181.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,467,549,258.17 : 18,731,158,548.98 = 7,994,407,787.34 : x
  2. Step 2: Convert to fraction form
    12,467,549,258.17/18,731,158,548.98 = 7,994,407,787.34/x
  3. Step 3: Cross multiply
    12,467,549,258.17x = 18,731,158,548.98 × 7,994,407,787.34
  4. Step 4: Simplify right side
    12,467,549,258.17x = 149,744,519,769,865,912,320
  5. Step 5: Solve for x
    x = 149,744,519,769,865,912,320/12,467,549,258.17
  6. Step 6: Final answer
    x = 12,010,742,181.09

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Double scale
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1.5x scale

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.