Home / 260,595,363.70-390,892,731.90-66,506,799.70

Finding the Fourth Proportional to 260,595,363.70, 390,892,731.90 and 66,506,799.70

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Solution

The fourth proportional to 260,595,363.70, 390,892,731.90 and 66,506,799.70 is: 99,760,119.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,595,363.70 : 390,892,731.90 = 66,506,799.70 : x
  2. Step 2: Convert to fraction form
    260,595,363.70/390,892,731.90 = 66,506,799.70/x
  3. Step 3: Cross multiply
    260,595,363.70x = 390,892,731.90 × 66,506,799.70
  4. Step 4: Simplify right side
    260,595,363.70x = 25,997,024,624,659,100
  5. Step 5: Solve for x
    x = 25,997,024,624,659,100/260,595,363.70
  6. Step 6: Final answer
    x = 99,760,119.50

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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.