Home / 870,048,670,990.73-1,200,613,067,003.10-479,393,373,287.84

Finding the Fourth Proportional to 870,048,670,990.73, 1,200,613,067,003.10 and 479,393,373,287.84

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Solution

The fourth proportional to 870,048,670,990.73, 1,200,613,067,003.10 and 479,393,373,287.84 is: 661,533,046,822.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    870,048,670,990.73 : 1,200,613,067,003.10 = 479,393,373,287.84 : x
  2. Step 2: Convert to fraction form
    870,048,670,990.73/1,200,613,067,003.10 = 479,393,373,287.84/x
  3. Step 3: Cross multiply
    870,048,670,990.73x = 1,200,613,067,003.10 × 479,393,373,287.84
  4. Step 4: Simplify right side
    870,048,670,990.73x = 575,565,948,204,075,637,014,528
  5. Step 5: Solve for x
    x = 575,565,948,204,075,637,014,528/870,048,670,990.73
  6. Step 6: Final answer
    x = 661,533,046,822.17

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Double scale
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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.