Home / 768,890,124,059.86-1,060,970,846,952.90-421,569,006,112.74

Finding the Fourth Proportional to 768,890,124,059.86, 1,060,970,846,952.90 and 421,569,006,112.74

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Solution

The fourth proportional to 768,890,124,059.86, 1,060,970,846,952.90 and 421,569,006,112.74 is: 581,711,757,595.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    768,890,124,059.86 : 1,060,970,846,952.90 = 421,569,006,112.74 : x
  2. Step 2: Convert to fraction form
    768,890,124,059.86/1,060,970,846,952.90 = 421,569,006,112.74/x
  3. Step 3: Cross multiply
    768,890,124,059.86x = 1,060,970,846,952.90 × 421,569,006,112.74
  4. Step 4: Simplify right side
    768,890,124,059.86x = 447,272,425,464,526,060,650,496
  5. Step 5: Solve for x
    x = 447,272,425,464,526,060,650,496/768,890,124,059.86
  6. Step 6: Final answer
    x = 581,711,757,595.30

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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.