Home / 1,244,345,922.86-1,865,215,086.35-579,812,068.98

Finding the Fourth Proportional to 1,244,345,922.86, 1,865,215,086.35 and 579,812,068.98

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Solution

The fourth proportional to 1,244,345,922.86, 1,865,215,086.35 and 579,812,068.98 is: 869,110,589.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,244,345,922.86 : 1,865,215,086.35 = 579,812,068.98 : x
  2. Step 2: Convert to fraction form
    1,244,345,922.86/1,865,215,086.35 = 579,812,068.98/x
  3. Step 3: Cross multiply
    1,244,345,922.86x = 1,865,215,086.35 × 579,812,068.98
  4. Step 4: Simplify right side
    1,244,345,922.86x = 1,081,474,218,306,403,840
  5. Step 5: Solve for x
    x = 1,081,474,218,306,403,840/1,244,345,922.86
  6. Step 6: Final answer
    x = 869,110,589.30

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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.