Home / 20,698,598,956.12-31,053,123,384.94-5,775,751,988.40

Finding the Fourth Proportional to 20,698,598,956.12, 31,053,123,384.94 and 5,775,751,988.40

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Solution

The fourth proportional to 20,698,598,956.12, 31,053,123,384.94 and 5,775,751,988.40 is: 8,665,085,956.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,698,598,956.12 : 31,053,123,384.94 = 5,775,751,988.40 : x
  2. Step 2: Convert to fraction form
    20,698,598,956.12/31,053,123,384.94 = 5,775,751,988.40/x
  3. Step 3: Cross multiply
    20,698,598,956.12x = 31,053,123,384.94 × 5,775,751,988.40
  4. Step 4: Simplify right side
    20,698,598,956.12x = 179,355,139,136,712,638,464
  5. Step 5: Solve for x
    x = 179,355,139,136,712,638,464/20,698,598,956.12
  6. Step 6: Final answer
    x = 8,665,085,956.64

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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.