Home / 18,155,243,124.36-25,053,156,514.44-10,533,698,654.76

Finding the Fourth Proportional to 18,155,243,124.36, 25,053,156,514.44 and 10,533,698,654.76

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Solution

The fourth proportional to 18,155,243,124.36, 25,053,156,514.44 and 10,533,698,654.76 is: 14,535,878,107.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,155,243,124.36 : 25,053,156,514.44 = 10,533,698,654.76 : x
  2. Step 2: Convert to fraction form
    18,155,243,124.36/25,053,156,514.44 = 10,533,698,654.76/x
  3. Step 3: Cross multiply
    18,155,243,124.36x = 25,053,156,514.44 × 10,533,698,654.76
  4. Step 4: Simplify right side
    18,155,243,124.36x = 263,902,401,073,648,336,896
  5. Step 5: Solve for x
    x = 263,902,401,073,648,336,896/18,155,243,124.36
  6. Step 6: Final answer
    x = 14,535,878,107.83

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Double scale
Find fourth proportional to 18,155,243,125.36, 25,053,156,515.82 and 10,533,698,655.76
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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.