Home / 1,042,704,840.16-1,438,933,622.52-572,836,599.28

Finding the Fourth Proportional to 1,042,704,840.16, 1,438,933,622.52 and 572,836,599.28

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Solution

The fourth proportional to 1,042,704,840.16, 1,438,933,622.52 and 572,836,599.28 is: 790,515,025.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,042,704,840.16 : 1,438,933,622.52 = 572,836,599.28 : x
  2. Step 2: Convert to fraction form
    1,042,704,840.16/1,438,933,622.52 = 572,836,599.28/x
  3. Step 3: Cross multiply
    1,042,704,840.16x = 1,438,933,622.52 × 572,836,599.28
  4. Step 4: Simplify right side
    1,042,704,840.16x = 824,273,842,914,007,936
  5. Step 5: Solve for x
    x = 824,273,842,914,007,936/1,042,704,840.16
  6. Step 6: Final answer
    x = 790,515,025.12

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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.