Home / 19,932,006,667.20-29,898,010,000.80-5,210,028,085.20

Finding the Fourth Proportional to 19,932,006,667.20, 29,898,010,000.80 and 5,210,028,085.20

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Solution

The fourth proportional to 19,932,006,667.20, 29,898,010,000.80 and 5,210,028,085.20 is: 7,815,042,127.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,932,006,667.20 : 29,898,010,000.80 = 5,210,028,085.20 : x
  2. Step 2: Convert to fraction form
    19,932,006,667.20/29,898,010,000.80 = 5,210,028,085.20/x
  3. Step 3: Cross multiply
    19,932,006,667.20x = 29,898,010,000.80 × 5,210,028,085.20
  4. Step 4: Simplify right side
    19,932,006,667.20x = 155,769,471,795,758,465,024
  5. Step 5: Solve for x
    x = 155,769,471,795,758,465,024/19,932,006,667.20
  6. Step 6: Final answer
    x = 7,815,042,127.80

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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.