Home / 514,937,552.40-772,749,772.08-187,412,974.32

Finding the Fourth Proportional to 514,937,552.40, 772,749,772.08 and 187,412,974.32

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Solution

The fourth proportional to 514,937,552.40, 772,749,772.08 and 187,412,974.32 is: 281,244,458.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    514,937,552.40 : 772,749,772.08 = 187,412,974.32 : x
  2. Step 2: Convert to fraction form
    514,937,552.40/772,749,772.08 = 187,412,974.32/x
  3. Step 3: Cross multiply
    514,937,552.40x = 772,749,772.08 × 187,412,974.32
  4. Step 4: Simplify right side
    514,937,552.40x = 144,823,333,190,614,880
  5. Step 5: Solve for x
    x = 144,823,333,190,614,880/514,937,552.40
  6. Step 6: Final answer
    x = 281,244,458.70

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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.