Home / 208,004,496,368.22-311,908,389,470.56-80,578,870,826.49

Finding the Fourth Proportional to 208,004,496,368.22, 311,908,389,470.56 and 80,578,870,826.49

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Solution

The fourth proportional to 208,004,496,368.22, 311,908,389,470.56 and 80,578,870,826.49 is: 120,830,204,460.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,004,496,368.22 : 311,908,389,470.56 = 80,578,870,826.49 : x
  2. Step 2: Convert to fraction form
    208,004,496,368.22/311,908,389,470.56 = 80,578,870,826.49/x
  3. Step 3: Cross multiply
    208,004,496,368.22x = 311,908,389,470.56 × 80,578,870,826.49
  4. Step 4: Simplify right side
    208,004,496,368.22x = 25,133,225,824,847,411,544,064
  5. Step 5: Solve for x
    x = 25,133,225,824,847,411,544,064/208,004,496,368.22
  6. Step 6: Final answer
    x = 120,830,204,460.37

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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.