Home / 666,097,296.19-919,225,151.40-364,677,579.16

Finding the Fourth Proportional to 666,097,296.19, 919,225,151.40 and 364,677,579.16

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Solution

The fourth proportional to 666,097,296.19, 919,225,151.40 and 364,677,579.16 is: 503,261,017.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    666,097,296.19 : 919,225,151.40 = 364,677,579.16 : x
  2. Step 2: Convert to fraction form
    666,097,296.19/919,225,151.40 = 364,677,579.16/x
  3. Step 3: Cross multiply
    666,097,296.19x = 919,225,151.40 × 364,677,579.16
  4. Step 4: Simplify right side
    666,097,296.19x = 335,220,802,915,536,512
  5. Step 5: Solve for x
    x = 335,220,802,915,536,512/666,097,296.19
  6. Step 6: Final answer
    x = 503,261,017.32

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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.