Home / 3,079,780,364.90-4,619,103,676.95-1,913,161,081.70

Finding the Fourth Proportional to 3,079,780,364.90, 4,619,103,676.95 and 1,913,161,081.70

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Solution

The fourth proportional to 3,079,780,364.90, 4,619,103,676.95 and 1,913,161,081.70 is: 2,869,389,482.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,079,780,364.90 : 4,619,103,676.95 = 1,913,161,081.70 : x
  2. Step 2: Convert to fraction form
    3,079,780,364.90/4,619,103,676.95 = 1,913,161,081.70/x
  3. Step 3: Cross multiply
    3,079,780,364.90x = 4,619,103,676.95 × 1,913,161,081.70
  4. Step 4: Simplify right side
    3,079,780,364.90x = 8,837,089,387,078,109,184
  5. Step 5: Solve for x
    x = 8,837,089,387,078,109,184/3,079,780,364.90
  6. Step 6: Final answer
    x = 2,869,389,482.38

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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.