Home / 19,892,171,733.24-29,823,547,661.21-12,029,836,115.69

Finding the Fourth Proportional to 19,892,171,733.24, 29,823,547,661.21 and 12,029,836,115.69

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Solution

The fourth proportional to 19,892,171,733.24, 29,823,547,661.21 and 12,029,836,115.69 is: 18,035,858,304.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,892,171,733.24 : 29,823,547,661.21 = 12,029,836,115.69 : x
  2. Step 2: Convert to fraction form
    19,892,171,733.24/29,823,547,661.21 = 12,029,836,115.69/x
  3. Step 3: Cross multiply
    19,892,171,733.24x = 29,823,547,661.21 × 12,029,836,115.69
  4. Step 4: Simplify right side
    19,892,171,733.24x = 358,772,390,752,939,671,552
  5. Step 5: Solve for x
    x = 358,772,390,752,939,671,552/19,892,171,733.24
  6. Step 6: Final answer
    x = 18,035,858,304.67

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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.