Home / 2,214,156,915-3,055,542,043.77-1,210,639,244.76

Finding the Fourth Proportional to 2,214,156,915, 3,055,542,043.77 and 1,210,639,244.76

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Solution

The fourth proportional to 2,214,156,915, 3,055,542,043.77 and 1,210,639,244.76 is: 1,670,685,165.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,214,156,915 : 3,055,542,043.77 = 1,210,639,244.76 : x
  2. Step 2: Convert to fraction form
    2,214,156,915/3,055,542,043.77 = 1,210,639,244.76/x
  3. Step 3: Cross multiply
    2,214,156,915x = 3,055,542,043.77 × 1,210,639,244.76
  4. Step 4: Simplify right side
    2,214,156,915x = 3,699,159,112,202,139,648
  5. Step 5: Solve for x
    x = 3,699,159,112,202,139,648/2,214,156,915
  6. Step 6: Final answer
    x = 1,670,685,165.60

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1.5x scale

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.