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Finding the Fourth Proportional to 479,809,813.94, 719,980,293.75 and 234,168,483.53

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Solution

The fourth proportional to 479,809,813.94, 719,980,293.75 and 234,168,483.53 is: 351,382,336.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,809,813.94 : 719,980,293.75 = 234,168,483.53 : x
  2. Step 2: Convert to fraction form
    479,809,813.94/719,980,293.75 = 234,168,483.53/x
  3. Step 3: Cross multiply
    479,809,813.94x = 719,980,293.75 × 234,168,483.53
  4. Step 4: Simplify right side
    479,809,813.94x = 168,596,693,558,921,440
  5. Step 5: Solve for x
    x = 168,596,693,558,921,440/479,809,813.94
  6. Step 6: Final answer
    x = 351,382,336.63

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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.