Home / 885,760,473.60-1,328,640,710.40-845,449,689.60

Finding the Fourth Proportional to 885,760,473.60, 1,328,640,710.40 and 845,449,689.60

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Solution

The fourth proportional to 885,760,473.60, 1,328,640,710.40 and 845,449,689.60 is: 1,268,174,534.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,760,473.60 : 1,328,640,710.40 = 845,449,689.60 : x
  2. Step 2: Convert to fraction form
    885,760,473.60/1,328,640,710.40 = 845,449,689.60/x
  3. Step 3: Cross multiply
    885,760,473.60x = 1,328,640,710.40 × 845,449,689.60
  4. Step 4: Simplify right side
    885,760,473.60x = 1,123,298,876,197,603,584
  5. Step 5: Solve for x
    x = 1,123,298,876,197,603,584/885,760,473.60
  6. Step 6: Final answer
    x = 1,268,174,534.40

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1.5x scale

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.