Home / 3,079,780,371.40-4,619,103,686.70-1,913,161,088.20

Finding the Fourth Proportional to 3,079,780,371.40, 4,619,103,686.70 and 1,913,161,088.20

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Solution

The fourth proportional to 3,079,780,371.40, 4,619,103,686.70 and 1,913,161,088.20 is: 2,869,389,492.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,079,780,371.40 : 4,619,103,686.70 = 1,913,161,088.20 : x
  2. Step 2: Convert to fraction form
    3,079,780,371.40/4,619,103,686.70 = 1,913,161,088.20/x
  3. Step 3: Cross multiply
    3,079,780,371.40x = 4,619,103,686.70 × 1,913,161,088.20
  4. Step 4: Simplify right side
    3,079,780,371.40x = 8,837,089,435,755,603,968
  5. Step 5: Solve for x
    x = 8,837,089,435,755,603,968/3,079,780,371.40
  6. Step 6: Final answer
    x = 2,869,389,492.13

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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.