Home / 2,166,926,038.30-2,990,542,360.62-1,227,295,835.02

Finding the Fourth Proportional to 2,166,926,038.30, 2,990,542,360.62 and 1,227,295,835.02

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Solution

The fourth proportional to 2,166,926,038.30, 2,990,542,360.62 and 1,227,295,835.02 is: 1,693,772,707.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,166,926,038.30 : 2,990,542,360.62 = 1,227,295,835.02 : x
  2. Step 2: Convert to fraction form
    2,166,926,038.30/2,990,542,360.62 = 1,227,295,835.02/x
  3. Step 3: Cross multiply
    2,166,926,038.30x = 2,990,542,360.62 × 1,227,295,835.02
  4. Step 4: Simplify right side
    2,166,926,038.30x = 3,670,280,183,639,804,416
  5. Step 5: Solve for x
    x = 3,670,280,183,639,804,416/2,166,926,038.30
  6. Step 6: Final answer
    x = 1,693,772,707.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.