Home / 1,889,570,003.60-2,834,355,005.40-1,420,201,312.40

Finding the Fourth Proportional to 1,889,570,003.60, 2,834,355,005.40 and 1,420,201,312.40

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Solution

The fourth proportional to 1,889,570,003.60, 2,834,355,005.40 and 1,420,201,312.40 is: 2,130,301,968.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,889,570,003.60 : 2,834,355,005.40 = 1,420,201,312.40 : x
  2. Step 2: Convert to fraction form
    1,889,570,003.60/2,834,355,005.40 = 1,420,201,312.40/x
  3. Step 3: Cross multiply
    1,889,570,003.60x = 2,834,355,005.40 × 1,420,201,312.40
  4. Step 4: Simplify right side
    1,889,570,003.60x = 4,025,354,698,476,589,568
  5. Step 5: Solve for x
    x = 4,025,354,698,476,589,568/1,889,570,003.60
  6. Step 6: Final answer
    x = 2,130,301,968.60

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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.