Home / 768,890,124,053.05-1,060,970,846,943.50-421,569,006,105.95

Finding the Fourth Proportional to 768,890,124,053.05, 1,060,970,846,943.50 and 421,569,006,105.95

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Solution

The fourth proportional to 768,890,124,053.05, 1,060,970,846,943.50 and 421,569,006,105.95 is: 581,711,757,585.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    768,890,124,053.05 : 1,060,970,846,943.50 = 421,569,006,105.95 : x
  2. Step 2: Convert to fraction form
    768,890,124,053.05/1,060,970,846,943.50 = 421,569,006,105.95/x
  3. Step 3: Cross multiply
    768,890,124,053.05x = 1,060,970,846,943.50 × 421,569,006,105.95
  4. Step 4: Simplify right side
    768,890,124,053.05x = 447,272,425,453,359,279,898,624
  5. Step 5: Solve for x
    x = 447,272,425,453,359,279,898,624/768,890,124,053.05
  6. Step 6: Final answer
    x = 581,711,757,585.93

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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.