Home / 19,315,712,261.40-28,973,568,392.10-10,499,743,800.60

Finding the Fourth Proportional to 19,315,712,261.40, 28,973,568,392.10 and 10,499,743,800.60

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Solution

The fourth proportional to 19,315,712,261.40, 28,973,568,392.10 and 10,499,743,800.60 is: 15,749,615,700.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,315,712,261.40 : 28,973,568,392.10 = 10,499,743,800.60 : x
  2. Step 2: Convert to fraction form
    19,315,712,261.40/28,973,568,392.10 = 10,499,743,800.60/x
  3. Step 3: Cross multiply
    19,315,712,261.40x = 28,973,568,392.10 × 10,499,743,800.60
  4. Step 4: Simplify right side
    19,315,712,261.40x = 304,215,045,106,212,077,568
  5. Step 5: Solve for x
    x = 304,215,045,106,212,077,568/19,315,712,261.40
  6. Step 6: Final answer
    x = 15,749,615,700.90

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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.