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Finding the Fourth Proportional to 841,304,157, 1,160,978,347.80 and 470,028,976.80

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Solution

The fourth proportional to 841,304,157, 1,160,978,347.80 and 470,028,976.80 is: 648,628,038.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    841,304,157 : 1,160,978,347.80 = 470,028,976.80 : x
  2. Step 2: Convert to fraction form
    841,304,157/1,160,978,347.80 = 470,028,976.80/x
  3. Step 3: Cross multiply
    841,304,157x = 1,160,978,347.80 × 470,028,976.80
  4. Step 4: Simplify right side
    841,304,157x = 545,693,464,903,388,544
  5. Step 5: Solve for x
    x = 545,693,464,903,388,544/841,304,157
  6. Step 6: Final answer
    x = 648,628,038.22

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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.