Home / 480,214,238.16-662,703,172.56-281,980,116.48

Finding the Fourth Proportional to 480,214,238.16, 662,703,172.56 and 281,980,116.48

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Solution

The fourth proportional to 480,214,238.16, 662,703,172.56 and 281,980,116.48 is: 389,136,978.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,214,238.16 : 662,703,172.56 = 281,980,116.48 : x
  2. Step 2: Convert to fraction form
    480,214,238.16/662,703,172.56 = 281,980,116.48/x
  3. Step 3: Cross multiply
    480,214,238.16x = 662,703,172.56 × 281,980,116.48
  4. Step 4: Simplify right side
    480,214,238.16x = 186,869,117,790,134,336
  5. Step 5: Solve for x
    x = 186,869,117,790,134,336/480,214,238.16
  6. Step 6: Final answer
    x = 389,136,978.75

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.