Home / 915,089,788.80-1,372,634,683.20-293,303,818.80

Finding the Fourth Proportional to 915,089,788.80, 1,372,634,683.20 and 293,303,818.80

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Solution

The fourth proportional to 915,089,788.80, 1,372,634,683.20 and 293,303,818.80 is: 439,955,728.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    915,089,788.80 : 1,372,634,683.20 = 293,303,818.80 : x
  2. Step 2: Convert to fraction form
    915,089,788.80/1,372,634,683.20 = 293,303,818.80/x
  3. Step 3: Cross multiply
    915,089,788.80x = 1,372,634,683.20 × 293,303,818.80
  4. Step 4: Simplify right side
    915,089,788.80x = 402,598,994,399,888,256
  5. Step 5: Solve for x
    x = 402,598,994,399,888,256/915,089,788.80
  6. Step 6: Final answer
    x = 439,955,728.20

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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.