Home / 405,453,862.11-607,949,758.49-159,677,402.43

Finding the Fourth Proportional to 405,453,862.11, 607,949,758.49 and 159,677,402.43

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Solution

The fourth proportional to 405,453,862.11, 607,949,758.49 and 159,677,402.43 is: 239,425,116.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,453,862.11 : 607,949,758.49 = 159,677,402.43 : x
  2. Step 2: Convert to fraction form
    405,453,862.11/607,949,758.49 = 159,677,402.43/x
  3. Step 3: Cross multiply
    405,453,862.11x = 607,949,758.49 × 159,677,402.43
  4. Step 4: Simplify right side
    405,453,862.11x = 97,075,838,242,830,656
  5. Step 5: Solve for x
    x = 97,075,838,242,830,656/405,453,862.11
  6. Step 6: Final answer
    x = 239,425,116.68

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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.