Home / 785,056,657,887.52-1,083,378,189,971.30-424,174,472,385.28

Finding the Fourth Proportional to 785,056,657,887.52, 1,083,378,189,971.30 and 424,174,472,385.28

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Solution

The fourth proportional to 785,056,657,887.52, 1,083,378,189,971.30 and 424,174,472,385.28 is: 585,360,773,019.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    785,056,657,887.52 : 1,083,378,189,971.30 = 424,174,472,385.28 : x
  2. Step 2: Convert to fraction form
    785,056,657,887.52/1,083,378,189,971.30 = 424,174,472,385.28/x
  3. Step 3: Cross multiply
    785,056,657,887.52x = 1,083,378,189,971.30 × 424,174,472,385.28
  4. Step 4: Simplify right side
    785,056,657,887.52x = 459,541,372,124,795,850,719,232
  5. Step 5: Solve for x
    x = 459,541,372,124,795,850,719,232/785,056,657,887.52
  6. Step 6: Final answer
    x = 585,360,773,019.06

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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.