Home / 18,219,018,494.76-27,329,726,868.39-4,773,631,618.86

Finding the Fourth Proportional to 18,219,018,494.76, 27,329,726,868.39 and 4,773,631,618.86

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Solution

The fourth proportional to 18,219,018,494.76, 27,329,726,868.39 and 4,773,631,618.86 is: 7,160,761,615.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,219,018,494.76 : 27,329,726,868.39 = 4,773,631,618.86 : x
  2. Step 2: Convert to fraction form
    18,219,018,494.76/27,329,726,868.39 = 4,773,631,618.86/x
  3. Step 3: Cross multiply
    18,219,018,494.76x = 27,329,726,868.39 × 4,773,631,618.86
  4. Step 4: Simplify right side
    18,219,018,494.76x = 130,462,048,313,754,173,440
  5. Step 5: Solve for x
    x = 130,462,048,313,754,173,440/18,219,018,494.76
  6. Step 6: Final answer
    x = 7,160,761,615.74

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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.