Home / 900,845,640.30-1,243,218,210.33-504,365,161.17

Finding the Fourth Proportional to 900,845,640.30, 1,243,218,210.33 and 504,365,161.17

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Solution

The fourth proportional to 900,845,640.30, 1,243,218,210.33 and 504,365,161.17 is: 696,052,603.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    900,845,640.30 : 1,243,218,210.33 = 504,365,161.17 : x
  2. Step 2: Convert to fraction form
    900,845,640.30/1,243,218,210.33 = 504,365,161.17/x
  3. Step 3: Cross multiply
    900,845,640.30x = 1,243,218,210.33 × 504,365,161.17
  4. Step 4: Simplify right side
    900,845,640.30x = 627,035,953,022,569,344
  5. Step 5: Solve for x
    x = 627,035,953,022,569,344/900,845,640.30
  6. Step 6: Final answer
    x = 696,052,603.21

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1.5x scale

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.