Home / 1,154,546,821.51-1,593,393,365.59-702,456,884.02

Finding the Fourth Proportional to 1,154,546,821.51, 1,593,393,365.59 and 702,456,884.02

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Solution

The fourth proportional to 1,154,546,821.51, 1,593,393,365.59 and 702,456,884.02 is: 969,462,751.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,154,546,821.51 : 1,593,393,365.59 = 702,456,884.02 : x
  2. Step 2: Convert to fraction form
    1,154,546,821.51/1,593,393,365.59 = 702,456,884.02/x
  3. Step 3: Cross multiply
    1,154,546,821.51x = 1,593,393,365.59 × 702,456,884.02
  4. Step 4: Simplify right side
    1,154,546,821.51x = 1,119,290,138,615,919,872
  5. Step 5: Solve for x
    x = 1,119,290,138,615,919,872/1,154,546,821.51
  6. Step 6: Final answer
    x = 969,462,751.76

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Double scale
Find fourth proportional to 1,154,546,822.51, 1,593,393,366.97 and 702,456,885.02
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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.