Home / 19,742,193,956.49-29,408,101,547.89-18,672,892,149.21

Finding the Fourth Proportional to 19,742,193,956.49, 29,408,101,547.89 and 18,672,892,149.21

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Solution

The fourth proportional to 19,742,193,956.49, 29,408,101,547.89 and 18,672,892,149.21 is: 27,815,262,565.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,742,193,956.49 : 29,408,101,547.89 = 18,672,892,149.21 : x
  2. Step 2: Convert to fraction form
    19,742,193,956.49/29,408,101,547.89 = 18,672,892,149.21/x
  3. Step 3: Cross multiply
    19,742,193,956.49x = 29,408,101,547.89 × 18,672,892,149.21
  4. Step 4: Simplify right side
    19,742,193,956.49x = 549,134,308,516,765,564,928
  5. Step 5: Solve for x
    x = 549,134,308,516,765,564,928/19,742,193,956.49
  6. Step 6: Final answer
    x = 27,815,262,565.40

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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.