Home / 1,089,754,549.20-1,504,718,146.68-877,386,786

Finding the Fourth Proportional to 1,089,754,549.20, 1,504,718,146.68 and 877,386,786

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Solution

The fourth proportional to 1,089,754,549.20, 1,504,718,146.68 and 877,386,786 is: 1,211,483,649.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,089,754,549.20 : 1,504,718,146.68 = 877,386,786 : x
  2. Step 2: Convert to fraction form
    1,089,754,549.20/1,504,718,146.68 = 877,386,786/x
  3. Step 3: Cross multiply
    1,089,754,549.20x = 1,504,718,146.68 × 877,386,786
  4. Step 4: Simplify right side
    1,089,754,549.20x = 1,320,219,818,551,441,920
  5. Step 5: Solve for x
    x = 1,320,219,818,551,441,920/1,089,754,549.20
  6. Step 6: Final answer
    x = 1,211,483,649.71

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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.