Home / 313,867,028,877.32-470,418,059,590-162,689,984,911.62

Finding the Fourth Proportional to 313,867,028,877.32, 470,418,059,590 and 162,689,984,911.62

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Solution

The fourth proportional to 313,867,028,877.32, 470,418,059,590 and 162,689,984,911.62 is: 243,836,720,571.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,867,028,877.32 : 470,418,059,590 = 162,689,984,911.62 : x
  2. Step 2: Convert to fraction form
    313,867,028,877.32/470,418,059,590 = 162,689,984,911.62/x
  3. Step 3: Cross multiply
    313,867,028,877.32x = 470,418,059,590 × 162,689,984,911.62
  4. Step 4: Simplify right side
    313,867,028,877.32x = 76,532,307,016,850,660,655,104
  5. Step 5: Solve for x
    x = 76,532,307,016,850,660,655,104/313,867,028,877.32
  6. Step 6: Final answer
    x = 243,836,720,571.13

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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.