Home / 1,089,754,546.20-1,504,718,142.54-877,386,783

Finding the Fourth Proportional to 1,089,754,546.20, 1,504,718,142.54 and 877,386,783

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Solution

The fourth proportional to 1,089,754,546.20, 1,504,718,142.54 and 877,386,783 is: 1,211,483,645.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,089,754,546.20 : 1,504,718,142.54 = 877,386,783 : x
  2. Step 2: Convert to fraction form
    1,089,754,546.20/1,504,718,142.54 = 877,386,783/x
  3. Step 3: Cross multiply
    1,089,754,546.20x = 1,504,718,142.54 × 877,386,783
  4. Step 4: Simplify right side
    1,089,754,546.20x = 1,320,219,810,404,905,984
  5. Step 5: Solve for x
    x = 1,320,219,810,404,905,984/1,089,754,546.20
  6. Step 6: Final answer
    x = 1,211,483,645.57

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1.5x scale

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.