Home / 2,178,981,637.60-3,268,472,456.40-2,010,621,128.80

Finding the Fourth Proportional to 2,178,981,637.60, 3,268,472,456.40 and 2,010,621,128.80

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Solution

The fourth proportional to 2,178,981,637.60, 3,268,472,456.40 and 2,010,621,128.80 is: 3,015,931,693.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,178,981,637.60 : 3,268,472,456.40 = 2,010,621,128.80 : x
  2. Step 2: Convert to fraction form
    2,178,981,637.60/3,268,472,456.40 = 2,010,621,128.80/x
  3. Step 3: Cross multiply
    2,178,981,637.60x = 3,268,472,456.40 × 2,010,621,128.80
  4. Step 4: Simplify right side
    2,178,981,637.60x = 6,571,659,779,738,677,248
  5. Step 5: Solve for x
    x = 6,571,659,779,738,677,248/2,178,981,637.60
  6. Step 6: Final answer
    x = 3,015,931,693.20

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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.