Home / 645,409,762.56-966,110,631.48-349,570,106.33

Finding the Fourth Proportional to 645,409,762.56, 966,110,631.48 and 349,570,106.33

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Solution

The fourth proportional to 645,409,762.56, 966,110,631.48 and 349,570,106.33 is: 523,269,736.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    645,409,762.56 : 966,110,631.48 = 349,570,106.33 : x
  2. Step 2: Convert to fraction form
    645,409,762.56/966,110,631.48 = 349,570,106.33/x
  3. Step 3: Cross multiply
    645,409,762.56x = 966,110,631.48 × 349,570,106.33
  4. Step 4: Simplify right side
    645,409,762.56x = 337,723,396,168,176,512
  5. Step 5: Solve for x
    x = 337,723,396,168,176,512/645,409,762.56
  6. Step 6: Final answer
    x = 523,269,736.16

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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.