Home / 7,936,681,630.08-11,905,054,541.16-3,215,092,837.21

Finding the Fourth Proportional to 7,936,681,630.08, 11,905,054,541.16 and 3,215,092,837.21

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Solution

The fourth proportional to 7,936,681,630.08, 11,905,054,541.16 and 3,215,092,837.21 is: 4,822,652,257.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,936,681,630.08 : 11,905,054,541.16 = 3,215,092,837.21 : x
  2. Step 2: Convert to fraction form
    7,936,681,630.08/11,905,054,541.16 = 3,215,092,837.21/x
  3. Step 3: Cross multiply
    7,936,681,630.08x = 11,905,054,541.16 × 3,215,092,837.21
  4. Step 4: Simplify right side
    7,936,681,630.08x = 38,275,855,581,877,895,168
  5. Step 5: Solve for x
    x = 38,275,855,581,877,895,168/7,936,681,630.08
  6. Step 6: Final answer
    x = 4,822,652,257.69

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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.