Home / 747,014,795.40-1,120,522,193.10-262,340,603.40

Finding the Fourth Proportional to 747,014,795.40, 1,120,522,193.10 and 262,340,603.40

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Solution

The fourth proportional to 747,014,795.40, 1,120,522,193.10 and 262,340,603.40 is: 393,510,905.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,014,795.40 : 1,120,522,193.10 = 262,340,603.40 : x
  2. Step 2: Convert to fraction form
    747,014,795.40/1,120,522,193.10 = 262,340,603.40/x
  3. Step 3: Cross multiply
    747,014,795.40x = 1,120,522,193.10 × 262,340,603.40
  4. Step 4: Simplify right side
    747,014,795.40x = 293,958,468,260,945,280
  5. Step 5: Solve for x
    x = 293,958,468,260,945,280/747,014,795.40
  6. Step 6: Final answer
    x = 393,510,905.10

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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.