Home / 1,027,486,646.48-1,417,932,486.60-557,587,968.72

Finding the Fourth Proportional to 1,027,486,646.48, 1,417,932,486.60 and 557,587,968.72

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Solution

The fourth proportional to 1,027,486,646.48, 1,417,932,486.60 and 557,587,968.72 is: 769,471,893.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,027,486,646.48 : 1,417,932,486.60 = 557,587,968.72 : x
  2. Step 2: Convert to fraction form
    1,027,486,646.48/1,417,932,486.60 = 557,587,968.72/x
  3. Step 3: Cross multiply
    1,027,486,646.48x = 1,417,932,486.60 × 557,587,968.72
  4. Step 4: Simplify right side
    1,027,486,646.48x = 790,622,094,985,392,640
  5. Step 5: Solve for x
    x = 790,622,094,985,392,640/1,027,486,646.48
  6. Step 6: Final answer
    x = 769,471,893.08

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Double scale
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1.5x scale

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.