Home / 21,208,047,558.76-31,812,054,536.22-5,698,473,414.76

Finding the Fourth Proportional to 21,208,047,558.76, 31,812,054,536.22 and 5,698,473,414.76

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Solution

The fourth proportional to 21,208,047,558.76, 31,812,054,536.22 and 5,698,473,414.76 is: 8,547,705,607.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,208,047,558.76 : 31,812,054,536.22 = 5,698,473,414.76 : x
  2. Step 2: Convert to fraction form
    21,208,047,558.76/31,812,054,536.22 = 5,698,473,414.76/x
  3. Step 3: Cross multiply
    21,208,047,558.76x = 31,812,054,536.22 × 5,698,473,414.76
  4. Step 4: Simplify right side
    21,208,047,558.76x = 181,280,147,043,544,956,928
  5. Step 5: Solve for x
    x = 181,280,147,043,544,956,928/21,208,047,558.76
  6. Step 6: Final answer
    x = 8,547,705,607.57

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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.