Home / 1,212,971,946.90-1,819,457,920.35-1,165,354,833.30

Finding the Fourth Proportional to 1,212,971,946.90, 1,819,457,920.35 and 1,165,354,833.30

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Solution

The fourth proportional to 1,212,971,946.90, 1,819,457,920.35 and 1,165,354,833.30 is: 1,748,032,249.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,212,971,946.90 : 1,819,457,920.35 = 1,165,354,833.30 : x
  2. Step 2: Convert to fraction form
    1,212,971,946.90/1,819,457,920.35 = 1,165,354,833.30/x
  3. Step 3: Cross multiply
    1,212,971,946.90x = 1,819,457,920.35 × 1,165,354,833.30
  4. Step 4: Simplify right side
    1,212,971,946.90x = 2,120,314,081,465,838,848
  5. Step 5: Solve for x
    x = 2,120,314,081,465,838,848/1,212,971,946.90
  6. Step 6: Final answer
    x = 1,748,032,249.95

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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.