Home / 6,718,555,425.60-10,077,833,138.40-5,315,740,142.40

Finding the Fourth Proportional to 6,718,555,425.60, 10,077,833,138.40 and 5,315,740,142.40

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Solution

The fourth proportional to 6,718,555,425.60, 10,077,833,138.40 and 5,315,740,142.40 is: 7,973,610,213.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,718,555,425.60 : 10,077,833,138.40 = 5,315,740,142.40 : x
  2. Step 2: Convert to fraction form
    6,718,555,425.60/10,077,833,138.40 = 5,315,740,142.40/x
  3. Step 3: Cross multiply
    6,718,555,425.60x = 10,077,833,138.40 × 5,315,740,142.40
  4. Step 4: Simplify right side
    6,718,555,425.60x = 53,571,142,162,201,845,760
  5. Step 5: Solve for x
    x = 53,571,142,162,201,845,760/6,718,555,425.60
  6. Step 6: Final answer
    x = 7,973,610,213.60

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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.