Home / 455,919,421.84-629,169,340.22-247,075,564.49

Finding the Fourth Proportional to 455,919,421.84, 629,169,340.22 and 247,075,564.49

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Solution

The fourth proportional to 455,919,421.84, 629,169,340.22 and 247,075,564.49 is: 340,964,570.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,919,421.84 : 629,169,340.22 = 247,075,564.49 : x
  2. Step 2: Convert to fraction form
    455,919,421.84/629,169,340.22 = 247,075,564.49/x
  3. Step 3: Cross multiply
    455,919,421.84x = 629,169,340.22 × 247,075,564.49
  4. Step 4: Simplify right side
    455,919,421.84x = 155,452,369,891,003,424
  5. Step 5: Solve for x
    x = 155,452,369,891,003,424/455,919,421.84
  6. Step 6: Final answer
    x = 340,964,570.59

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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.