Home / 522,241,844.04-720,671,022.72-287,277,606.18

Finding the Fourth Proportional to 522,241,844.04, 720,671,022.72 and 287,277,606.18

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Solution

The fourth proportional to 522,241,844.04, 720,671,022.72 and 287,277,606.18 is: 396,430,597.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,241,844.04 : 720,671,022.72 = 287,277,606.18 : x
  2. Step 2: Convert to fraction form
    522,241,844.04/720,671,022.72 = 287,277,606.18/x
  3. Step 3: Cross multiply
    522,241,844.04x = 720,671,022.72 × 287,277,606.18
  4. Step 4: Simplify right side
    522,241,844.04x = 207,032,646,250,294,016
  5. Step 5: Solve for x
    x = 207,032,646,250,294,016/522,241,844.04
  6. Step 6: Final answer
    x = 396,430,597.46

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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.