Home / 12,432,235,547.40-18,647,922,012.30-3,116,065,000.20

Finding the Fourth Proportional to 12,432,235,547.40, 18,647,922,012.30 and 3,116,065,000.20

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Solution

The fourth proportional to 12,432,235,547.40, 18,647,922,012.30 and 3,116,065,000.20 is: 4,673,989,395.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,432,235,547.40 : 18,647,922,012.30 = 3,116,065,000.20 : x
  2. Step 2: Convert to fraction form
    12,432,235,547.40/18,647,922,012.30 = 3,116,065,000.20/x
  3. Step 3: Cross multiply
    12,432,235,547.40x = 18,647,922,012.30 × 3,116,065,000.20
  4. Step 4: Simplify right side
    12,432,235,547.40x = 58,108,137,108,987,174,912
  5. Step 5: Solve for x
    x = 58,108,137,108,987,174,912/12,432,235,547.40
  6. Step 6: Final answer
    x = 4,673,989,395.35

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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.