Home / 455,919,500.53-629,169,448.81-247,075,643.18

Finding the Fourth Proportional to 455,919,500.53, 629,169,448.81 and 247,075,643.18

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Solution

The fourth proportional to 455,919,500.53, 629,169,448.81 and 247,075,643.18 is: 340,964,679.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,919,500.53 : 629,169,448.81 = 247,075,643.18 : x
  2. Step 2: Convert to fraction form
    455,919,500.53/629,169,448.81 = 247,075,643.18/x
  3. Step 3: Cross multiply
    455,919,500.53x = 629,169,448.81 × 247,075,643.18
  4. Step 4: Simplify right side
    455,919,500.53x = 155,452,446,230,790,976
  5. Step 5: Solve for x
    x = 155,452,446,230,790,976/455,919,500.53
  6. Step 6: Final answer
    x = 340,964,679.19

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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.