Home / 21,296,967,514.74-29,390,680,533.36-11,781,355,205.94

Finding the Fourth Proportional to 21,296,967,514.74, 29,390,680,533.36 and 11,781,355,205.94

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Solution

The fourth proportional to 21,296,967,514.74, 29,390,680,533.36 and 11,781,355,205.94 is: 16,258,748,897.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,296,967,514.74 : 29,390,680,533.36 = 11,781,355,205.94 : x
  2. Step 2: Convert to fraction form
    21,296,967,514.74/29,390,680,533.36 = 11,781,355,205.94/x
  3. Step 3: Cross multiply
    21,296,967,514.74x = 29,390,680,533.36 × 11,781,355,205.94
  4. Step 4: Simplify right side
    21,296,967,514.74x = 346,262,047,107,820,290,048
  5. Step 5: Solve for x
    x = 346,262,047,107,820,290,048/21,296,967,514.74
  6. Step 6: Final answer
    x = 16,258,748,897.85

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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.