Home / 919,828,696.40-1,269,368,756.88-523,351,676.36

Finding the Fourth Proportional to 919,828,696.40, 1,269,368,756.88 and 523,351,676.36

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Solution

The fourth proportional to 919,828,696.40, 1,269,368,756.88 and 523,351,676.36 is: 722,228,246.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    919,828,696.40 : 1,269,368,756.88 = 523,351,676.36 : x
  2. Step 2: Convert to fraction form
    919,828,696.40/1,269,368,756.88 = 523,351,676.36/x
  3. Step 3: Cross multiply
    919,828,696.40x = 1,269,368,756.88 × 523,351,676.36
  4. Step 4: Simplify right side
    919,828,696.40x = 664,326,266,832,157,312
  5. Step 5: Solve for x
    x = 664,326,266,832,157,312/919,828,696.40
  6. Step 6: Final answer
    x = 722,228,246.88

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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.