Home / 28,214,081,511.33-38,935,438,840.98-15,526,817,177.22

Finding the Fourth Proportional to 28,214,081,511.33, 38,935,438,840.98 and 15,526,817,177.22

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Solution

The fourth proportional to 28,214,081,511.33, 38,935,438,840.98 and 15,526,817,177.22 is: 21,427,011,202.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,214,081,511.33 : 38,935,438,840.98 = 15,526,817,177.22 : x
  2. Step 2: Convert to fraction form
    28,214,081,511.33/38,935,438,840.98 = 15,526,817,177.22/x
  3. Step 3: Cross multiply
    28,214,081,511.33x = 38,935,438,840.98 × 15,526,817,177.22
  4. Step 4: Simplify right side
    28,214,081,511.33x = 604,543,440,598,843,916,288
  5. Step 5: Solve for x
    x = 604,543,440,598,843,916,288/28,214,081,511.33
  6. Step 6: Final answer
    x = 21,427,011,202.05

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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.