Home / 851,195,703.12-1,174,649,539.73-460,055,127.12

Finding the Fourth Proportional to 851,195,703.12, 1,174,649,539.73 and 460,055,127.12

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Solution

The fourth proportional to 851,195,703.12, 1,174,649,539.73 and 460,055,127.12 is: 634,875,788.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,195,703.12 : 1,174,649,539.73 = 460,055,127.12 : x
  2. Step 2: Convert to fraction form
    851,195,703.12/1,174,649,539.73 = 460,055,127.12/x
  3. Step 3: Cross multiply
    851,195,703.12x = 1,174,649,539.73 × 460,055,127.12
  4. Step 4: Simplify right side
    851,195,703.12x = 540,403,543,321,934,656
  5. Step 5: Solve for x
    x = 540,403,543,321,934,656/851,195,703.12
  6. Step 6: Final answer
    x = 634,875,788.66

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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.