Home / 733,247,235.75-1,011,900,362.76-398,739,322.32

Finding the Fourth Proportional to 733,247,235.75, 1,011,900,362.76 and 398,739,322.32

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Solution

The fourth proportional to 733,247,235.75, 1,011,900,362.76 and 398,739,322.32 is: 550,270,693.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    733,247,235.75 : 1,011,900,362.76 = 398,739,322.32 : x
  2. Step 2: Convert to fraction form
    733,247,235.75/1,011,900,362.76 = 398,739,322.32/x
  3. Step 3: Cross multiply
    733,247,235.75x = 1,011,900,362.76 × 398,739,322.32
  4. Step 4: Simplify right side
    733,247,235.75x = 403,484,464,902,284,544
  5. Step 5: Solve for x
    x = 403,484,464,902,284,544/733,247,235.75
  6. Step 6: Final answer
    x = 550,270,693.47

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.