Home / 972,357,735.60-1,458,768,636-317,309,979.60

Finding the Fourth Proportional to 972,357,735.60, 1,458,768,636 and 317,309,979.60

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Solution

The fourth proportional to 972,357,735.60, 1,458,768,636 and 317,309,979.60 is: 476,040,688.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    972,357,735.60 : 1,458,768,636 = 317,309,979.60 : x
  2. Step 2: Convert to fraction form
    972,357,735.60/1,458,768,636 = 317,309,979.60/x
  3. Step 3: Cross multiply
    972,357,735.60x = 1,458,768,636 × 317,309,979.60
  4. Step 4: Simplify right side
    972,357,735.60x = 462,881,846,130,279,872
  5. Step 5: Solve for x
    x = 462,881,846,130,279,872/972,357,735.60
  6. Step 6: Final answer
    x = 476,040,688.71

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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.