Home / 688,451,052.74-1,032,981,534.38-360,848,709.77

Finding the Fourth Proportional to 688,451,052.74, 1,032,981,534.38 and 360,848,709.77

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Solution

The fourth proportional to 688,451,052.74, 1,032,981,534.38 and 360,848,709.77 is: 541,432,905.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    688,451,052.74 : 1,032,981,534.38 = 360,848,709.77 : x
  2. Step 2: Convert to fraction form
    688,451,052.74/1,032,981,534.38 = 360,848,709.77/x
  3. Step 3: Cross multiply
    688,451,052.74x = 1,032,981,534.38 × 360,848,709.77
  4. Step 4: Simplify right side
    688,451,052.74x = 372,750,053,892,995,136
  5. Step 5: Solve for x
    x = 372,750,053,892,995,136/688,451,052.74
  6. Step 6: Final answer
    x = 541,432,905.67

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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.