Home / 787,880,814.72-1,181,845,298.52-270,303,995.04

Finding the Fourth Proportional to 787,880,814.72, 1,181,845,298.52 and 270,303,995.04

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Solution

The fourth proportional to 787,880,814.72, 1,181,845,298.52 and 270,303,995.04 is: 405,464,252.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    787,880,814.72 : 1,181,845,298.52 = 270,303,995.04 : x
  2. Step 2: Convert to fraction form
    787,880,814.72/1,181,845,298.52 = 270,303,995.04/x
  3. Step 3: Cross multiply
    787,880,814.72x = 1,181,845,298.52 × 270,303,995.04
  4. Step 4: Simplify right side
    787,880,814.72x = 319,457,505,709,197,440
  5. Step 5: Solve for x
    x = 319,457,505,709,197,440/787,880,814.72
  6. Step 6: Final answer
    x = 405,464,252.64

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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.