Home / 10,561,752,145.80-15,842,628,218.70-5,319,334,686.60

Finding the Fourth Proportional to 10,561,752,145.80, 15,842,628,218.70 and 5,319,334,686.60

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Solution

The fourth proportional to 10,561,752,145.80, 15,842,628,218.70 and 5,319,334,686.60 is: 7,979,002,029.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,561,752,145.80 : 15,842,628,218.70 = 5,319,334,686.60 : x
  2. Step 2: Convert to fraction form
    10,561,752,145.80/15,842,628,218.70 = 5,319,334,686.60/x
  3. Step 3: Cross multiply
    10,561,752,145.80x = 15,842,628,218.70 × 5,319,334,686.60
  4. Step 4: Simplify right side
    10,561,752,145.80x = 84,272,241,810,638,897,152
  5. Step 5: Solve for x
    x = 84,272,241,810,638,897,152/10,561,752,145.80
  6. Step 6: Final answer
    x = 7,979,002,029.90

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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.