Home / 578,014,431.65-797,659,915-313,696,424.68

Finding the Fourth Proportional to 578,014,431.65, 797,659,915 and 313,696,424.68

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Solution

The fourth proportional to 578,014,431.65, 797,659,915 and 313,696,424.68 is: 432,901,065.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,014,431.65 : 797,659,915 = 313,696,424.68 : x
  2. Step 2: Convert to fraction form
    578,014,431.65/797,659,915 = 313,696,424.68/x
  3. Step 3: Cross multiply
    578,014,431.65x = 797,659,915 × 313,696,424.68
  4. Step 4: Simplify right side
    578,014,431.65x = 250,223,063,446,052,704
  5. Step 5: Solve for x
    x = 250,223,063,446,052,704/578,014,431.65
  6. Step 6: Final answer
    x = 432,901,065.69

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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.