Home / 28,214,081,558.41-38,935,438,905.92-15,526,817,224.30

Finding the Fourth Proportional to 28,214,081,558.41, 38,935,438,905.92 and 15,526,817,224.30

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Solution

The fourth proportional to 28,214,081,558.41, 38,935,438,905.92 and 15,526,817,224.30 is: 21,427,011,267.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,214,081,558.41 : 38,935,438,905.92 = 15,526,817,224.30 : x
  2. Step 2: Convert to fraction form
    28,214,081,558.41/38,935,438,905.92 = 15,526,817,224.30/x
  3. Step 3: Cross multiply
    28,214,081,558.41x = 38,935,438,905.92 × 15,526,817,224.30
  4. Step 4: Simplify right side
    28,214,081,558.41x = 604,543,443,440,118,923,264
  5. Step 5: Solve for x
    x = 604,543,443,440,118,923,264/28,214,081,558.41
  6. Step 6: Final answer
    x = 21,427,011,267.00

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Double scale
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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.