Home / 1,430,784,755.60-2,146,247,992.20-742,037,219.60

Finding the Fourth Proportional to 1,430,784,755.60, 2,146,247,992.20 and 742,037,219.60

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Solution

The fourth proportional to 1,430,784,755.60, 2,146,247,992.20 and 742,037,219.60 is: 1,113,092,578.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,430,784,755.60 : 2,146,247,992.20 = 742,037,219.60 : x
  2. Step 2: Convert to fraction form
    1,430,784,755.60/2,146,247,992.20 = 742,037,219.60/x
  3. Step 3: Cross multiply
    1,430,784,755.60x = 2,146,247,992.20 × 742,037,219.60
  4. Step 4: Simplify right side
    1,430,784,755.60x = 1,592,595,892,704,170,496
  5. Step 5: Solve for x
    x = 1,592,595,892,704,170,496/1,430,784,755.60
  6. Step 6: Final answer
    x = 1,113,092,578.37

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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.