Home / 378,256,648,622.16-522,005,883,765.60-206,985,798,845.04

Finding the Fourth Proportional to 378,256,648,622.16, 522,005,883,765.60 and 206,985,798,845.04

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Solution

The fourth proportional to 378,256,648,622.16, 522,005,883,765.60 and 206,985,798,845.04 is: 285,646,809,505.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,256,648,622.16 : 522,005,883,765.60 = 206,985,798,845.04 : x
  2. Step 2: Convert to fraction form
    378,256,648,622.16/522,005,883,765.60 = 206,985,798,845.04/x
  3. Step 3: Cross multiply
    378,256,648,622.16x = 522,005,883,765.60 × 206,985,798,845.04
  4. Step 4: Simplify right side
    378,256,648,622.16x = 108,047,804,853,033,818,390,528
  5. Step 5: Solve for x
    x = 108,047,804,853,033,818,390,528/378,256,648,622.16
  6. Step 6: Final answer
    x = 285,646,809,505.16

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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.