Home / 605,078,776.10-907,882,161.56-211,887,808.32

Finding the Fourth Proportional to 605,078,776.10, 907,882,161.56 and 211,887,808.32

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Solution

The fourth proportional to 605,078,776.10, 907,882,161.56 and 211,887,808.32 is: 317,924,159.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,078,776.10 : 907,882,161.56 = 211,887,808.32 : x
  2. Step 2: Convert to fraction form
    605,078,776.10/907,882,161.56 = 211,887,808.32/x
  3. Step 3: Cross multiply
    605,078,776.10x = 907,882,161.56 × 211,887,808.32
  4. Step 4: Simplify right side
    605,078,776.10x = 192,369,161,424,713,088
  5. Step 5: Solve for x
    x = 192,369,161,424,713,088/605,078,776.10
  6. Step 6: Final answer
    x = 317,924,159.67

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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.