Home / 880,195,965.40-1,320,293,948.10-788,362,960.60

Finding the Fourth Proportional to 880,195,965.40, 1,320,293,948.10 and 788,362,960.60

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Solution

The fourth proportional to 880,195,965.40, 1,320,293,948.10 and 788,362,960.60 is: 1,182,544,440.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,195,965.40 : 1,320,293,948.10 = 788,362,960.60 : x
  2. Step 2: Convert to fraction form
    880,195,965.40/1,320,293,948.10 = 788,362,960.60/x
  3. Step 3: Cross multiply
    880,195,965.40x = 1,320,293,948.10 × 788,362,960.60
  4. Step 4: Simplify right side
    880,195,965.40x = 1,040,870,845,786,378,752
  5. Step 5: Solve for x
    x = 1,040,870,845,786,378,752/880,195,965.40
  6. Step 6: Final answer
    x = 1,182,544,440.90

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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.