Home / 1,309,653,861.16-1,964,502,049.56-376,989,077.92

Finding the Fourth Proportional to 1,309,653,861.16, 1,964,502,049.56 and 376,989,077.92

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Solution

The fourth proportional to 1,309,653,861.16, 1,964,502,049.56 and 376,989,077.92 is: 565,489,736.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,309,653,861.16 : 1,964,502,049.56 = 376,989,077.92 : x
  2. Step 2: Convert to fraction form
    1,309,653,861.16/1,964,502,049.56 = 376,989,077.92/x
  3. Step 3: Cross multiply
    1,309,653,861.16x = 1,964,502,049.56 × 376,989,077.92
  4. Step 4: Simplify right side
    1,309,653,861.16x = 740,595,816,235,574,528
  5. Step 5: Solve for x
    x = 740,595,816,235,574,528/1,309,653,861.16
  6. Step 6: Final answer
    x = 565,489,736.03

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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.