Home / 19,742,193,953.49-29,408,101,543.43-18,672,892,146.21

Finding the Fourth Proportional to 19,742,193,953.49, 29,408,101,543.43 and 18,672,892,146.21

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Solution

The fourth proportional to 19,742,193,953.49, 29,408,101,543.43 and 18,672,892,146.21 is: 27,815,262,560.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,742,193,953.49 : 29,408,101,543.43 = 18,672,892,146.21 : x
  2. Step 2: Convert to fraction form
    19,742,193,953.49/29,408,101,543.43 = 18,672,892,146.21/x
  3. Step 3: Cross multiply
    19,742,193,953.49x = 29,408,101,543.43 × 18,672,892,146.21
  4. Step 4: Simplify right side
    19,742,193,953.49x = 549,134,308,345,166,823,424
  5. Step 5: Solve for x
    x = 549,134,308,345,166,823,424/19,742,193,953.49
  6. Step 6: Final answer
    x = 27,815,262,560.93

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.