Home / 1,211,963,027,243.40-1,672,507,886,012.60-684,123,552,974.15

Finding the Fourth Proportional to 1,211,963,027,243.40, 1,672,507,886,012.60 and 684,123,552,974.15

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Solution

The fourth proportional to 1,211,963,027,243.40, 1,672,507,886,012.60 and 684,123,552,974.15 is: 944,089,886,932.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,211,963,027,243.40 : 1,672,507,886,012.60 = 684,123,552,974.15 : x
  2. Step 2: Convert to fraction form
    1,211,963,027,243.40/1,672,507,886,012.60 = 684,123,552,974.15/x
  3. Step 3: Cross multiply
    1,211,963,027,243.40x = 1,672,507,886,012.60 × 684,123,552,974.15
  4. Step 4: Simplify right side
    1,211,963,027,243.40x = 1,144,202,037,356,224,711,753,728
  5. Step 5: Solve for x
    x = 1,144,202,037,356,224,711,753,728/1,211,963,027,243.40
  6. Step 6: Final answer
    x = 944,089,886,932.20

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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.