Home / 1,345,478,673.60-2,018,218,010.40-982,681,617.60

Finding the Fourth Proportional to 1,345,478,673.60, 2,018,218,010.40 and 982,681,617.60

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Solution

The fourth proportional to 1,345,478,673.60, 2,018,218,010.40 and 982,681,617.60 is: 1,474,022,426.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,345,478,673.60 : 2,018,218,010.40 = 982,681,617.60 : x
  2. Step 2: Convert to fraction form
    1,345,478,673.60/2,018,218,010.40 = 982,681,617.60/x
  3. Step 3: Cross multiply
    1,345,478,673.60x = 2,018,218,010.40 × 982,681,617.60
  4. Step 4: Simplify right side
    1,345,478,673.60x = 1,983,265,739,129,325,824
  5. Step 5: Solve for x
    x = 1,983,265,739,129,325,824/1,345,478,673.60
  6. Step 6: Final answer
    x = 1,474,022,426.40

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Double scale
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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.