Home / 305,222,827,970.88-457,834,134,198.24-81,626,966,948.16

Finding the Fourth Proportional to 305,222,827,970.88, 457,834,134,198.24 and 81,626,966,948.16

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Solution

The fourth proportional to 305,222,827,970.88, 457,834,134,198.24 and 81,626,966,948.16 is: 122,440,421,604.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,222,827,970.88 : 457,834,134,198.24 = 81,626,966,948.16 : x
  2. Step 2: Convert to fraction form
    305,222,827,970.88/457,834,134,198.24 = 81,626,966,948.16/x
  3. Step 3: Cross multiply
    305,222,827,970.88x = 457,834,134,198.24 × 81,626,966,948.16
  4. Step 4: Simplify right side
    305,222,827,970.88x = 37,371,611,739,939,187,720,192
  5. Step 5: Solve for x
    x = 37,371,611,739,939,187,720,192/305,222,827,970.88
  6. Step 6: Final answer
    x = 122,440,421,604.06

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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.