Home / 636,901,573,065.15-955,486,533,263.28-206,605,058,973.21

Finding the Fourth Proportional to 636,901,573,065.15, 955,486,533,263.28 and 206,605,058,973.21

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Solution

The fourth proportional to 636,901,573,065.15, 955,486,533,263.28 and 206,605,058,973.21 is: 309,951,113,172.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    636,901,573,065.15 : 955,486,533,263.28 = 206,605,058,973.21 : x
  2. Step 2: Convert to fraction form
    636,901,573,065.15/955,486,533,263.28 = 206,605,058,973.21/x
  3. Step 3: Cross multiply
    636,901,573,065.15x = 955,486,533,263.28 × 206,605,058,973.21
  4. Step 4: Simplify right side
    636,901,573,065.15x = 197,408,351,552,967,935,000,576
  5. Step 5: Solve for x
    x = 197,408,351,552,967,935,000,576/636,901,573,065.15
  6. Step 6: Final answer
    x = 309,951,113,172.67

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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.