Home / 405,453,863.61-607,949,760.73-159,677,403.93

Finding the Fourth Proportional to 405,453,863.61, 607,949,760.73 and 159,677,403.93

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Solution

The fourth proportional to 405,453,863.61, 607,949,760.73 and 159,677,403.93 is: 239,425,118.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,453,863.61 : 607,949,760.73 = 159,677,403.93 : x
  2. Step 2: Convert to fraction form
    405,453,863.61/607,949,760.73 = 159,677,403.93/x
  3. Step 3: Cross multiply
    405,453,863.61x = 607,949,760.73 × 159,677,403.93
  4. Step 4: Simplify right side
    405,453,863.61x = 97,075,839,513,231,072
  5. Step 5: Solve for x
    x = 97,075,839,513,231,072/405,453,863.61
  6. Step 6: Final answer
    x = 239,425,118.92

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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.