Home / 776,089,031.60-1,164,295,288.20-258,680,212.40

Finding the Fourth Proportional to 776,089,031.60, 1,164,295,288.20 and 258,680,212.40

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Solution

The fourth proportional to 776,089,031.60, 1,164,295,288.20 and 258,680,212.40 is: 388,074,228.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    776,089,031.60 : 1,164,295,288.20 = 258,680,212.40 : x
  2. Step 2: Convert to fraction form
    776,089,031.60/1,164,295,288.20 = 258,680,212.40/x
  3. Step 3: Cross multiply
    776,089,031.60x = 1,164,295,288.20 × 258,680,212.40
  4. Step 4: Simplify right side
    776,089,031.60x = 301,180,152,447,895,232
  5. Step 5: Solve for x
    x = 301,180,152,447,895,232/776,089,031.60
  6. Step 6: Final answer
    x = 388,074,228.84

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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.