Home / 3,778,899,008.45-5,668,348,512.68-2,146,312,256.45

Finding the Fourth Proportional to 3,778,899,008.45, 5,668,348,512.68 and 2,146,312,256.45

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Solution

The fourth proportional to 3,778,899,008.45, 5,668,348,512.68 and 2,146,312,256.45 is: 3,219,468,384.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,778,899,008.45 : 5,668,348,512.68 = 2,146,312,256.45 : x
  2. Step 2: Convert to fraction form
    3,778,899,008.45/5,668,348,512.68 = 2,146,312,256.45/x
  3. Step 3: Cross multiply
    3,778,899,008.45x = 5,668,348,512.68 × 2,146,312,256.45
  4. Step 4: Simplify right side
    3,778,899,008.45x = 12,166,045,886,584,481,792
  5. Step 5: Solve for x
    x = 12,166,045,886,584,481,792/3,778,899,008.45
  6. Step 6: Final answer
    x = 3,219,468,384.68

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Double scale
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1.5x scale

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.