Home / 740,790,349.08-1,111,615,990.89-331,846,499.58

Finding the Fourth Proportional to 740,790,349.08, 1,111,615,990.89 and 331,846,499.58

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Solution

The fourth proportional to 740,790,349.08, 1,111,615,990.89 and 331,846,499.58 is: 497,962,582.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,790,349.08 : 1,111,615,990.89 = 331,846,499.58 : x
  2. Step 2: Convert to fraction form
    740,790,349.08/1,111,615,990.89 = 331,846,499.58/x
  3. Step 3: Cross multiply
    740,790,349.08x = 1,111,615,990.89 × 331,846,499.58
  4. Step 4: Simplify right side
    740,790,349.08x = 368,885,875,453,999,680
  5. Step 5: Solve for x
    x = 368,885,875,453,999,680/740,790,349.08
  6. Step 6: Final answer
    x = 497,962,582.68

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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.