Home / 928,733,604.45-1,281,613,692.62-505,348,928.34

Finding the Fourth Proportional to 928,733,604.45, 1,281,613,692.62 and 505,348,928.34

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Solution

The fourth proportional to 928,733,604.45, 1,281,613,692.62 and 505,348,928.34 is: 697,360,473.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    928,733,604.45 : 1,281,613,692.62 = 505,348,928.34 : x
  2. Step 2: Convert to fraction form
    928,733,604.45/1,281,613,692.62 = 505,348,928.34/x
  3. Step 3: Cross multiply
    928,733,604.45x = 1,281,613,692.62 × 505,348,928.34
  4. Step 4: Simplify right side
    928,733,604.45x = 647,662,106,117,456,512
  5. Step 5: Solve for x
    x = 647,662,106,117,456,512/928,733,604.45
  6. Step 6: Final answer
    x = 697,360,473.46

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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.