Home / 815,562,504.33-1,223,953,003.85-552,623,599.77

Finding the Fourth Proportional to 815,562,504.33, 1,223,953,003.85 and 552,623,599.77

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Solution

The fourth proportional to 815,562,504.33, 1,223,953,003.85 and 552,623,599.77 is: 829,348,224.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    815,562,504.33 : 1,223,953,003.85 = 552,623,599.77 : x
  2. Step 2: Convert to fraction form
    815,562,504.33/1,223,953,003.85 = 552,623,599.77/x
  3. Step 3: Cross multiply
    815,562,504.33x = 1,223,953,003.85 × 552,623,599.77
  4. Step 4: Simplify right side
    815,562,504.33x = 676,385,314,934,128,512
  5. Step 5: Solve for x
    x = 676,385,314,934,128,512/815,562,504.33
  6. Step 6: Final answer
    x = 829,348,224.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.