Home / 747,007,345.56-1,120,662,190.80-262,370,944.92

Finding the Fourth Proportional to 747,007,345.56, 1,120,662,190.80 and 262,370,944.92

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Solution

The fourth proportional to 747,007,345.56, 1,120,662,190.80 and 262,370,944.92 is: 393,609,513.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,007,345.56 : 1,120,662,190.80 = 262,370,944.92 : x
  2. Step 2: Convert to fraction form
    747,007,345.56/1,120,662,190.80 = 262,370,944.92/x
  3. Step 3: Cross multiply
    747,007,345.56x = 1,120,662,190.80 × 262,370,944.92
  4. Step 4: Simplify right side
    747,007,345.56x = 294,029,197,936,313,280
  5. Step 5: Solve for x
    x = 294,029,197,936,313,280/747,007,345.56
  6. Step 6: Final answer
    x = 393,609,513.59

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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.