Home / 1,393,848,041.70-2,090,772,062.55-976,631,427.30

Finding the Fourth Proportional to 1,393,848,041.70, 2,090,772,062.55 and 976,631,427.30

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Solution

The fourth proportional to 1,393,848,041.70, 2,090,772,062.55 and 976,631,427.30 is: 1,464,947,140.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,393,848,041.70 : 2,090,772,062.55 = 976,631,427.30 : x
  2. Step 2: Convert to fraction form
    1,393,848,041.70/2,090,772,062.55 = 976,631,427.30/x
  3. Step 3: Cross multiply
    1,393,848,041.70x = 2,090,772,062.55 × 976,631,427.30
  4. Step 4: Simplify right side
    1,393,848,041.70x = 2,041,913,703,607,171,328
  5. Step 5: Solve for x
    x = 2,041,913,703,607,171,328/1,393,848,041.70
  6. Step 6: Final answer
    x = 1,464,947,140.95

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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.