Home / 1,640,503,528.89-2,263,908,985.60-935,691,195.76

Finding the Fourth Proportional to 1,640,503,528.89, 2,263,908,985.60 and 935,691,195.76

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Solution

The fourth proportional to 1,640,503,528.89, 2,263,908,985.60 and 935,691,195.76 is: 1,291,261,901.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,640,503,528.89 : 2,263,908,985.60 = 935,691,195.76 : x
  2. Step 2: Convert to fraction form
    1,640,503,528.89/2,263,908,985.60 = 935,691,195.76/x
  3. Step 3: Cross multiply
    1,640,503,528.89x = 2,263,908,985.60 × 935,691,195.76
  4. Step 4: Simplify right side
    1,640,503,528.89x = 2,118,319,705,821,606,144
  5. Step 5: Solve for x
    x = 2,118,319,705,821,606,144/1,640,503,528.89
  6. Step 6: Final answer
    x = 1,291,261,901.31

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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.