Home / 37,013,980,006.20-51,079,292,408.55-21,172,786,678.20

Finding the Fourth Proportional to 37,013,980,006.20, 51,079,292,408.55 and 21,172,786,678.20

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Solution

The fourth proportional to 37,013,980,006.20, 51,079,292,408.55 and 21,172,786,678.20 is: 29,218,445,615.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,013,980,006.20 : 51,079,292,408.55 = 21,172,786,678.20 : x
  2. Step 2: Convert to fraction form
    37,013,980,006.20/51,079,292,408.55 = 21,172,786,678.20/x
  3. Step 3: Cross multiply
    37,013,980,006.20x = 51,079,292,408.55 × 21,172,786,678.20
  4. Step 4: Simplify right side
    37,013,980,006.20x = 1,081,490,961,839,476,572,160
  5. Step 5: Solve for x
    x = 1,081,490,961,839,476,572,160/37,013,980,006.20
  6. Step 6: Final answer
    x = 29,218,445,615.91

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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.