Home / 787,035,322.64-1,179,762,908.34-269,111,557.28

Finding the Fourth Proportional to 787,035,322.64, 1,179,762,908.34 and 269,111,557.28

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Solution

The fourth proportional to 787,035,322.64, 1,179,762,908.34 and 269,111,557.28 is: 403,397,184.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    787,035,322.64 : 1,179,762,908.34 = 269,111,557.28 : x
  2. Step 2: Convert to fraction form
    787,035,322.64/1,179,762,908.34 = 269,111,557.28/x
  3. Step 3: Cross multiply
    787,035,322.64x = 1,179,762,908.34 × 269,111,557.28
  4. Step 4: Simplify right side
    787,035,322.64x = 317,487,833,484,559,232
  5. Step 5: Solve for x
    x = 317,487,833,484,559,232/787,035,322.64
  6. Step 6: Final answer
    x = 403,397,184.79

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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.