Home / 609,448,817.07-841,091,238.65-345,177,822.40

Finding the Fourth Proportional to 609,448,817.07, 841,091,238.65 and 345,177,822.40

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Solution

The fourth proportional to 609,448,817.07, 841,091,238.65 and 345,177,822.40 is: 476,374,773.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,448,817.07 : 841,091,238.65 = 345,177,822.40 : x
  2. Step 2: Convert to fraction form
    609,448,817.07/841,091,238.65 = 345,177,822.40/x
  3. Step 3: Cross multiply
    609,448,817.07x = 841,091,238.65 × 345,177,822.40
  4. Step 4: Simplify right side
    609,448,817.07x = 290,326,042,195,685,952
  5. Step 5: Solve for x
    x = 290,326,042,195,685,952/609,448,817.07
  6. Step 6: Final answer
    x = 476,374,773.51

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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.