Home / 669,544,193.40-1,003,905,484.02-260,122,396.92

Finding the Fourth Proportional to 669,544,193.40, 1,003,905,484.02 and 260,122,396.92

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Solution

The fourth proportional to 669,544,193.40, 1,003,905,484.02 and 260,122,396.92 is: 390,023,994.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,544,193.40 : 1,003,905,484.02 = 260,122,396.92 : x
  2. Step 2: Convert to fraction form
    669,544,193.40/1,003,905,484.02 = 260,122,396.92/x
  3. Step 3: Cross multiply
    669,544,193.40x = 1,003,905,484.02 × 260,122,396.92
  4. Step 4: Simplify right side
    669,544,193.40x = 261,138,300,784,415,136
  5. Step 5: Solve for x
    x = 261,138,300,784,415,136/669,544,193.40
  6. Step 6: Final answer
    x = 390,023,994.47

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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.