Home / 5,402,019,187.12-8,112,301,847.88-3,315,746,403.76

Finding the Fourth Proportional to 5,402,019,187.12, 8,112,301,847.88 and 3,315,746,403.76

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Solution

The fourth proportional to 5,402,019,187.12, 8,112,301,847.88 and 3,315,746,403.76 is: 4,979,311,392.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,402,019,187.12 : 8,112,301,847.88 = 3,315,746,403.76 : x
  2. Step 2: Convert to fraction form
    5,402,019,187.12/8,112,301,847.88 = 3,315,746,403.76/x
  3. Step 3: Cross multiply
    5,402,019,187.12x = 8,112,301,847.88 × 3,315,746,403.76
  4. Step 4: Simplify right side
    5,402,019,187.12x = 26,898,335,678,323,716,096
  5. Step 5: Solve for x
    x = 26,898,335,678,323,716,096/5,402,019,187.12
  6. Step 6: Final answer
    x = 4,979,311,392.02

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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.