Home / 919,335,436.80-1,379,003,155.20-574,678,233.60

Finding the Fourth Proportional to 919,335,436.80, 1,379,003,155.20 and 574,678,233.60

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Solution

The fourth proportional to 919,335,436.80, 1,379,003,155.20 and 574,678,233.60 is: 862,017,350.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    919,335,436.80 : 1,379,003,155.20 = 574,678,233.60 : x
  2. Step 2: Convert to fraction form
    919,335,436.80/1,379,003,155.20 = 574,678,233.60/x
  3. Step 3: Cross multiply
    919,335,436.80x = 1,379,003,155.20 × 574,678,233.60
  4. Step 4: Simplify right side
    919,335,436.80x = 792,483,097,359,162,752
  5. Step 5: Solve for x
    x = 792,483,097,359,162,752/919,335,436.80
  6. Step 6: Final answer
    x = 862,017,350.40

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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.