Home / 19,636,129,689.12-29,454,194,779.92-4,713,295,219.20

Finding the Fourth Proportional to 19,636,129,689.12, 29,454,194,779.92 and 4,713,295,219.20

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Solution

The fourth proportional to 19,636,129,689.12, 29,454,194,779.92 and 4,713,295,219.20 is: 7,069,942,887.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,636,129,689.12 : 29,454,194,779.92 = 4,713,295,219.20 : x
  2. Step 2: Convert to fraction form
    19,636,129,689.12/29,454,194,779.92 = 4,713,295,219.20/x
  3. Step 3: Cross multiply
    19,636,129,689.12x = 29,454,194,779.92 × 4,713,295,219.20
  4. Step 4: Simplify right side
    19,636,129,689.12x = 138,826,315,441,582,522,368
  5. Step 5: Solve for x
    x = 138,826,315,441,582,522,368/19,636,129,689.12
  6. Step 6: Final answer
    x = 7,069,942,887.91

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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.