Home / 19,742,193,955.49-29,408,101,546.40-18,672,892,148.21

Finding the Fourth Proportional to 19,742,193,955.49, 29,408,101,546.40 and 18,672,892,148.21

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Solution

The fourth proportional to 19,742,193,955.49, 29,408,101,546.40 and 18,672,892,148.21 is: 27,815,262,563.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,742,193,955.49 : 29,408,101,546.40 = 18,672,892,148.21 : x
  2. Step 2: Convert to fraction form
    19,742,193,955.49/29,408,101,546.40 = 18,672,892,148.21/x
  3. Step 3: Cross multiply
    19,742,193,955.49x = 29,408,101,546.40 × 18,672,892,148.21
  4. Step 4: Simplify right side
    19,742,193,955.49x = 549,134,308,459,534,942,208
  5. Step 5: Solve for x
    x = 549,134,308,459,534,942,208/19,742,193,955.49
  6. Step 6: Final answer
    x = 27,815,262,563.91

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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.