Home / 5,187,709,038.28-7,782,041,925.18-1,694,132,821.32

Finding the Fourth Proportional to 5,187,709,038.28, 7,782,041,925.18 and 1,694,132,821.32

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Solution

The fourth proportional to 5,187,709,038.28, 7,782,041,925.18 and 1,694,132,821.32 is: 2,541,355,450.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,187,709,038.28 : 7,782,041,925.18 = 1,694,132,821.32 : x
  2. Step 2: Convert to fraction form
    5,187,709,038.28/7,782,041,925.18 = 1,694,132,821.32/x
  3. Step 3: Cross multiply
    5,187,709,038.28x = 7,782,041,925.18 × 1,694,132,821.32
  4. Step 4: Simplify right side
    5,187,709,038.28x = 13,183,812,642,335,717,376
  5. Step 5: Solve for x
    x = 13,183,812,642,335,717,376/5,187,709,038.28
  6. Step 6: Final answer
    x = 2,541,355,450.94

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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.