Home / 1,439,338,104.32-2,159,007,156.41-348,821,172.32

Finding the Fourth Proportional to 1,439,338,104.32, 2,159,007,156.41 and 348,821,172.32

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Solution

The fourth proportional to 1,439,338,104.32, 2,159,007,156.41 and 348,821,172.32 is: 523,231,758.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,439,338,104.32 : 2,159,007,156.41 = 348,821,172.32 : x
  2. Step 2: Convert to fraction form
    1,439,338,104.32/2,159,007,156.41 = 348,821,172.32/x
  3. Step 3: Cross multiply
    1,439,338,104.32x = 2,159,007,156.41 × 348,821,172.32
  4. Step 4: Simplify right side
    1,439,338,104.32x = 753,107,407,333,666,688
  5. Step 5: Solve for x
    x = 753,107,407,333,666,688/1,439,338,104.32
  6. Step 6: Final answer
    x = 523,231,758.46

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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.