Home / 1,420,374,754-2,130,562,131-399,168,226

Finding the Fourth Proportional to 1,420,374,754, 2,130,562,131 and 399,168,226

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Solution

The fourth proportional to 1,420,374,754, 2,130,562,131 and 399,168,226 is: 598,752,339

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,420,374,754 : 2,130,562,131 = 399,168,226 : x
  2. Step 2: Convert to fraction form
    1,420,374,754/2,130,562,131 = 399,168,226/x
  3. Step 3: Cross multiply
    1,420,374,754x = 2,130,562,131 × 399,168,226
  4. Step 4: Simplify right side
    1,420,374,754x = 850,452,706,214,049,664
  5. Step 5: Solve for x
    x = 850,452,706,214,049,664/1,420,374,754
  6. Step 6: Final answer
    x = 598,752,339

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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.