Home / 1,424,148,273.35-1,965,298,605.02-789,066,449.15

Finding the Fourth Proportional to 1,424,148,273.35, 1,965,298,605.02 and 789,066,449.15

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Solution

The fourth proportional to 1,424,148,273.35, 1,965,298,605.02 and 789,066,449.15 is: 1,088,897,287.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,424,148,273.35 : 1,965,298,605.02 = 789,066,449.15 : x
  2. Step 2: Convert to fraction form
    1,424,148,273.35/1,965,298,605.02 = 789,066,449.15/x
  3. Step 3: Cross multiply
    1,424,148,273.35x = 1,965,298,605.02 × 789,066,449.15
  4. Step 4: Simplify right side
    1,424,148,273.35x = 1,550,751,191,780,562,944
  5. Step 5: Solve for x
    x = 1,550,751,191,780,562,944/1,424,148,273.35
  6. Step 6: Final answer
    x = 1,088,897,287.45

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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.