Home / 13,494,430,477.82-18,622,899,437.39-7,472,935,882.67

Finding the Fourth Proportional to 13,494,430,477.82, 18,622,899,437.39 and 7,472,935,882.67

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Solution

The fourth proportional to 13,494,430,477.82, 18,622,899,437.39 and 7,472,935,882.67 is: 10,312,975,688.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,494,430,477.82 : 18,622,899,437.39 = 7,472,935,882.67 : x
  2. Step 2: Convert to fraction form
    13,494,430,477.82/18,622,899,437.39 = 7,472,935,882.67/x
  3. Step 3: Cross multiply
    13,494,430,477.82x = 18,622,899,437.39 × 7,472,935,882.67
  4. Step 4: Simplify right side
    13,494,430,477.82x = 139,167,733,444,896,194,560
  5. Step 5: Solve for x
    x = 139,167,733,444,896,194,560/13,494,430,477.82
  6. Step 6: Final answer
    x = 10,312,975,688.28

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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.