Home / 51,383,196,428.20-77,078,509,397.88-21,507,480,651.76

Finding the Fourth Proportional to 51,383,196,428.20, 77,078,509,397.88 and 21,507,480,651.76

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Solution

The fourth proportional to 51,383,196,428.20, 77,078,509,397.88 and 21,507,480,651.76 is: 32,262,775,864.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,383,196,428.20 : 77,078,509,397.88 = 21,507,480,651.76 : x
  2. Step 2: Convert to fraction form
    51,383,196,428.20/77,078,509,397.88 = 21,507,480,651.76/x
  3. Step 3: Cross multiply
    51,383,196,428.20x = 77,078,509,397.88 × 21,507,480,651.76
  4. Step 4: Simplify right side
    51,383,196,428.20x = 1,657,764,549,541,405,392,896
  5. Step 5: Solve for x
    x = 1,657,764,549,541,405,392,896/51,383,196,428.20
  6. Step 6: Final answer
    x = 32,262,775,864.05

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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.