Home / 1,009,442,362.48-1,393,032,387.60-557,321,204.32

Finding the Fourth Proportional to 1,009,442,362.48, 1,393,032,387.60 and 557,321,204.32

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Solution

The fourth proportional to 1,009,442,362.48, 1,393,032,387.60 and 557,321,204.32 is: 769,104,326.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,009,442,362.48 : 1,393,032,387.60 = 557,321,204.32 : x
  2. Step 2: Convert to fraction form
    1,009,442,362.48/1,393,032,387.60 = 557,321,204.32/x
  3. Step 3: Cross multiply
    1,009,442,362.48x = 1,393,032,387.60 × 557,321,204.32
  4. Step 4: Simplify right side
    1,009,442,362.48x = 776,366,487,913,997,056
  5. Step 5: Solve for x
    x = 776,366,487,913,997,056/1,009,442,362.48
  6. Step 6: Final answer
    x = 769,104,326.08

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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.