Home / 750,420,275.12-1,035,580,077.83-415,914,393.39

Finding the Fourth Proportional to 750,420,275.12, 1,035,580,077.83 and 415,914,393.39

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Solution

The fourth proportional to 750,420,275.12, 1,035,580,077.83 and 415,914,393.39 is: 573,961,917.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    750,420,275.12 : 1,035,580,077.83 = 415,914,393.39 : x
  2. Step 2: Convert to fraction form
    750,420,275.12/1,035,580,077.83 = 415,914,393.39/x
  3. Step 3: Cross multiply
    750,420,275.12x = 1,035,580,077.83 × 415,914,393.39
  4. Step 4: Simplify right side
    750,420,275.12x = 430,712,659,881,859,584
  5. Step 5: Solve for x
    x = 430,712,659,881,859,584/750,420,275.12
  6. Step 6: Final answer
    x = 573,961,917.29

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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.