Home / 1,071,643,200,886.90-1,607,778,475,999.20-345,559,928,742.36

Finding the Fourth Proportional to 1,071,643,200,886.90, 1,607,778,475,999.20 and 345,559,928,742.36

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Solution

The fourth proportional to 1,071,643,200,886.90, 1,607,778,475,999.20 and 345,559,928,742.36 is: 518,441,040,021.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,071,643,200,886.90 : 1,607,778,475,999.20 = 345,559,928,742.36 : x
  2. Step 2: Convert to fraction form
    1,071,643,200,886.90/1,607,778,475,999.20 = 345,559,928,742.36/x
  3. Step 3: Cross multiply
    1,071,643,200,886.90x = 1,607,778,475,999.20 × 345,559,928,742.36
  4. Step 4: Simplify right side
    1,071,643,200,886.90x = 555,583,815,599,783,701,118,976
  5. Step 5: Solve for x
    x = 555,583,815,599,783,701,118,976/1,071,643,200,886.90
  6. Step 6: Final answer
    x = 518,441,040,021.51

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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.