Home / 372,318,237.47-558,089,404.25-208,315,544.87

Finding the Fourth Proportional to 372,318,237.47, 558,089,404.25 and 208,315,544.87

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Solution

The fourth proportional to 372,318,237.47, 558,089,404.25 and 208,315,544.87 is: 312,256,254.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,318,237.47 : 558,089,404.25 = 208,315,544.87 : x
  2. Step 2: Convert to fraction form
    372,318,237.47/558,089,404.25 = 208,315,544.87/x
  3. Step 3: Cross multiply
    372,318,237.47x = 558,089,404.25 × 208,315,544.87
  4. Step 4: Simplify right side
    372,318,237.47x = 116,258,698,328,680,432
  5. Step 5: Solve for x
    x = 116,258,698,328,680,432/372,318,237.47
  6. Step 6: Final answer
    x = 312,256,254.54

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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.