Home / 455,919,501.15-629,169,449.67-247,075,643.80

Finding the Fourth Proportional to 455,919,501.15, 629,169,449.67 and 247,075,643.80

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Solution

The fourth proportional to 455,919,501.15, 629,169,449.67 and 247,075,643.80 is: 340,964,680.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,919,501.15 : 629,169,449.67 = 247,075,643.80 : x
  2. Step 2: Convert to fraction form
    455,919,501.15/629,169,449.67 = 247,075,643.80/x
  3. Step 3: Cross multiply
    455,919,501.15x = 629,169,449.67 × 247,075,643.80
  4. Step 4: Simplify right side
    455,919,501.15x = 155,452,446,834,934,016
  5. Step 5: Solve for x
    x = 155,452,446,834,934,016/455,919,501.15
  6. Step 6: Final answer
    x = 340,964,680.04

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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.