Home / 19,932,006,763.20-29,898,010,144.80-5,210,028,181.20

Finding the Fourth Proportional to 19,932,006,763.20, 29,898,010,144.80 and 5,210,028,181.20

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Solution

The fourth proportional to 19,932,006,763.20, 29,898,010,144.80 and 5,210,028,181.20 is: 7,815,042,271.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,932,006,763.20 : 29,898,010,144.80 = 5,210,028,181.20 : x
  2. Step 2: Convert to fraction form
    19,932,006,763.20/29,898,010,144.80 = 5,210,028,181.20/x
  3. Step 3: Cross multiply
    19,932,006,763.20x = 29,898,010,144.80 × 5,210,028,181.20
  4. Step 4: Simplify right side
    19,932,006,763.20x = 155,769,475,416,211,488,768
  5. Step 5: Solve for x
    x = 155,769,475,416,211,488,768/19,932,006,763.20
  6. Step 6: Final answer
    x = 7,815,042,271.80

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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.