Home / 1,703,683,861.32-2,351,083,724.82-921,402,709.32

Finding the Fourth Proportional to 1,703,683,861.32, 2,351,083,724.82 and 921,402,709.32

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Solution

The fourth proportional to 1,703,683,861.32, 2,351,083,724.82 and 921,402,709.32 is: 1,271,535,736.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,703,683,861.32 : 2,351,083,724.82 = 921,402,709.32 : x
  2. Step 2: Convert to fraction form
    1,703,683,861.32/2,351,083,724.82 = 921,402,709.32/x
  3. Step 3: Cross multiply
    1,703,683,861.32x = 2,351,083,724.82 × 921,402,709.32
  4. Step 4: Simplify right side
    1,703,683,861.32x = 2,166,294,913,887,305,728
  5. Step 5: Solve for x
    x = 2,166,294,913,887,305,728/1,703,683,861.32
  6. Step 6: Final answer
    x = 1,271,535,736.81

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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.