Home / 2,016,144,001.20-3,020,814,779.40-978,771,169.20

Finding the Fourth Proportional to 2,016,144,001.20, 3,020,814,779.40 and 978,771,169.20

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Solution

The fourth proportional to 2,016,144,001.20, 3,020,814,779.40 and 978,771,169.20 is: 1,466,505,572.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,016,144,001.20 : 3,020,814,779.40 = 978,771,169.20 : x
  2. Step 2: Convert to fraction form
    2,016,144,001.20/3,020,814,779.40 = 978,771,169.20/x
  3. Step 3: Cross multiply
    2,016,144,001.20x = 3,020,814,779.40 × 978,771,169.20
  4. Step 4: Simplify right side
    2,016,144,001.20x = 2,956,686,413,569,978,368
  5. Step 5: Solve for x
    x = 2,956,686,413,569,978,368/2,016,144,001.20
  6. Step 6: Final answer
    x = 1,466,505,572.92

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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.