Home / 455,919,501.53-629,169,450.20-247,075,644.18

Finding the Fourth Proportional to 455,919,501.53, 629,169,450.20 and 247,075,644.18

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Solution

The fourth proportional to 455,919,501.53, 629,169,450.20 and 247,075,644.18 is: 340,964,680.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,919,501.53 : 629,169,450.20 = 247,075,644.18 : x
  2. Step 2: Convert to fraction form
    455,919,501.53/629,169,450.20 = 247,075,644.18/x
  3. Step 3: Cross multiply
    455,919,501.53x = 629,169,450.20 × 247,075,644.18
  4. Step 4: Simplify right side
    455,919,501.53x = 155,452,447,205,306,080
  5. Step 5: Solve for x
    x = 155,452,447,205,306,080/455,919,501.53
  6. Step 6: Final answer
    x = 340,964,680.57

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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.