Home / 517,512,695.68-714,162,111.42-282,562,631.20

Finding the Fourth Proportional to 517,512,695.68, 714,162,111.42 and 282,562,631.20

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Solution

The fourth proportional to 517,512,695.68, 714,162,111.42 and 282,562,631.20 is: 389,933,477.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    517,512,695.68 : 714,162,111.42 = 282,562,631.20 : x
  2. Step 2: Convert to fraction form
    517,512,695.68/714,162,111.42 = 282,562,631.20/x
  3. Step 3: Cross multiply
    517,512,695.68x = 714,162,111.42 × 282,562,631.20
  4. Step 4: Simplify right side
    517,512,695.68x = 201,795,525,306,182,752
  5. Step 5: Solve for x
    x = 201,795,525,306,182,752/517,512,695.68
  6. Step 6: Final answer
    x = 389,933,477.94

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.