Home / 1,558,478,219.78-2,150,673,360.87-844,007,969.81

Finding the Fourth Proportional to 1,558,478,219.78, 2,150,673,360.87 and 844,007,969.81

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Solution

The fourth proportional to 1,558,478,219.78, 2,150,673,360.87 and 844,007,969.81 is: 1,164,716,602.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,558,478,219.78 : 2,150,673,360.87 = 844,007,969.81 : x
  2. Step 2: Convert to fraction form
    1,558,478,219.78/2,150,673,360.87 = 844,007,969.81/x
  3. Step 3: Cross multiply
    1,558,478,219.78x = 2,150,673,360.87 × 844,007,969.81
  4. Step 4: Simplify right side
    1,558,478,219.78x = 1,815,185,457,040,837,888
  5. Step 5: Solve for x
    x = 1,815,185,457,040,837,888/1,558,478,219.78
  6. Step 6: Final answer
    x = 1,164,716,602.39

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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.