Home / 2,148,258,323,982.40-2,964,581,405,848.20-1,172,776,199,378.60

Finding the Fourth Proportional to 2,148,258,323,982.40, 2,964,581,405,848.20 and 1,172,776,199,378.60

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Solution

The fourth proportional to 2,148,258,323,982.40, 2,964,581,405,848.20 and 1,172,776,199,378.60 is: 1,618,422,921,994.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,148,258,323,982.40 : 2,964,581,405,848.20 = 1,172,776,199,378.60 : x
  2. Step 2: Convert to fraction form
    2,148,258,323,982.40/2,964,581,405,848.20 = 1,172,776,199,378.60/x
  3. Step 3: Cross multiply
    2,148,258,323,982.40x = 2,964,581,405,848.20 × 1,172,776,199,378.60
  4. Step 4: Simplify right side
    2,148,258,323,982.40x = 3,476,790,513,899,119,377,907,712
  5. Step 5: Solve for x
    x = 3,476,790,513,899,119,377,907,712/2,148,258,323,982.40
  6. Step 6: Final answer
    x = 1,618,422,921,994.74

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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.