Home / 6,718,555,427.10-10,077,833,140.65-5,315,740,143.90

Finding the Fourth Proportional to 6,718,555,427.10, 10,077,833,140.65 and 5,315,740,143.90

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Solution

The fourth proportional to 6,718,555,427.10, 10,077,833,140.65 and 5,315,740,143.90 is: 7,973,610,215.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,718,555,427.10 : 10,077,833,140.65 = 5,315,740,143.90 : x
  2. Step 2: Convert to fraction form
    6,718,555,427.10/10,077,833,140.65 = 5,315,740,143.90/x
  3. Step 3: Cross multiply
    6,718,555,427.10x = 10,077,833,140.65 × 5,315,740,143.90
  4. Step 4: Simplify right side
    6,718,555,427.10x = 53,571,142,189,279,010,816
  5. Step 5: Solve for x
    x = 53,571,142,189,279,010,816/6,718,555,427.10
  6. Step 6: Final answer
    x = 7,973,610,215.85

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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.