Home / 557,129,548.40-833,710,276.20-485,137,007.60

Finding the Fourth Proportional to 557,129,548.40, 833,710,276.20 and 485,137,007.60

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Solution

The fourth proportional to 557,129,548.40, 833,710,276.20 and 485,137,007.60 is: 725,977,844.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,129,548.40 : 833,710,276.20 = 485,137,007.60 : x
  2. Step 2: Convert to fraction form
    557,129,548.40/833,710,276.20 = 485,137,007.60/x
  3. Step 3: Cross multiply
    557,129,548.40x = 833,710,276.20 × 485,137,007.60
  4. Step 4: Simplify right side
    557,129,548.40x = 404,463,708,601,037,568
  5. Step 5: Solve for x
    x = 404,463,708,601,037,568/557,129,548.40
  6. Step 6: Final answer
    x = 725,977,844.40

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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.