Home / 399,312,004.80-598,968,007.20-282,410,731.20

Finding the Fourth Proportional to 399,312,004.80, 598,968,007.20 and 282,410,731.20

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Solution

The fourth proportional to 399,312,004.80, 598,968,007.20 and 282,410,731.20 is: 423,616,096.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    399,312,004.80 : 598,968,007.20 = 282,410,731.20 : x
  2. Step 2: Convert to fraction form
    399,312,004.80/598,968,007.20 = 282,410,731.20/x
  3. Step 3: Cross multiply
    399,312,004.80x = 598,968,007.20 × 282,410,731.20
  4. Step 4: Simplify right side
    399,312,004.80x = 169,154,992,878,758,880
  5. Step 5: Solve for x
    x = 169,154,992,878,758,880/399,312,004.80
  6. Step 6: Final answer
    x = 423,616,096.80

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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.