Home / 1,294,070,534.40-1,941,105,801.60-858,714,067.20

Finding the Fourth Proportional to 1,294,070,534.40, 1,941,105,801.60 and 858,714,067.20

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Solution

The fourth proportional to 1,294,070,534.40, 1,941,105,801.60 and 858,714,067.20 is: 1,288,071,100.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,294,070,534.40 : 1,941,105,801.60 = 858,714,067.20 : x
  2. Step 2: Convert to fraction form
    1,294,070,534.40/1,941,105,801.60 = 858,714,067.20/x
  3. Step 3: Cross multiply
    1,294,070,534.40x = 1,941,105,801.60 × 858,714,067.20
  4. Step 4: Simplify right side
    1,294,070,534.40x = 1,666,854,857,757,452,288
  5. Step 5: Solve for x
    x = 1,666,854,857,757,452,288/1,294,070,534.40
  6. Step 6: Final answer
    x = 1,288,071,100.80

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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.