Home / 1,219,419,235.40-1,829,128,853.10-401,425,248.20

Finding the Fourth Proportional to 1,219,419,235.40, 1,829,128,853.10 and 401,425,248.20

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Solution

The fourth proportional to 1,219,419,235.40, 1,829,128,853.10 and 401,425,248.20 is: 602,137,872.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,219,419,235.40 : 1,829,128,853.10 = 401,425,248.20 : x
  2. Step 2: Convert to fraction form
    1,219,419,235.40/1,829,128,853.10 = 401,425,248.20/x
  3. Step 3: Cross multiply
    1,219,419,235.40x = 1,829,128,853.10 × 401,425,248.20
  4. Step 4: Simplify right side
    1,219,419,235.40x = 734,258,503,845,448,832
  5. Step 5: Solve for x
    x = 734,258,503,845,448,832/1,219,419,235.40
  6. Step 6: Final answer
    x = 602,137,872.30

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Double scale
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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.