Home / 2,214,355,119.40-3,055,756,270.98-1,224,255,079.72

Finding the Fourth Proportional to 2,214,355,119.40, 3,055,756,270.98 and 1,224,255,079.72

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Solution

The fourth proportional to 2,214,355,119.40, 3,055,756,270.98 and 1,224,255,079.72 is: 1,689,442,268.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,214,355,119.40 : 3,055,756,270.98 = 1,224,255,079.72 : x
  2. Step 2: Convert to fraction form
    2,214,355,119.40/3,055,756,270.98 = 1,224,255,079.72/x
  3. Step 3: Cross multiply
    2,214,355,119.40x = 3,055,756,270.98 × 1,224,255,079.72
  4. Step 4: Simplify right side
    2,214,355,119.40x = 3,741,025,137,133,510,144
  5. Step 5: Solve for x
    x = 3,741,025,137,133,510,144/2,214,355,119.40
  6. Step 6: Final answer
    x = 1,689,442,268.93

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Double scale
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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.