Home / 1,027,130,851.50-1,417,443,322.50-557,232,172.50

Finding the Fourth Proportional to 1,027,130,851.50, 1,417,443,322.50 and 557,232,172.50

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Solution

The fourth proportional to 1,027,130,851.50, 1,417,443,322.50 and 557,232,172.50 is: 768,981,888.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,027,130,851.50 : 1,417,443,322.50 = 557,232,172.50 : x
  2. Step 2: Convert to fraction form
    1,027,130,851.50/1,417,443,322.50 = 557,232,172.50/x
  3. Step 3: Cross multiply
    1,027,130,851.50x = 1,417,443,322.50 × 557,232,172.50
  4. Step 4: Simplify right side
    1,027,130,851.50x = 789,845,021,992,293,120
  5. Step 5: Solve for x
    x = 789,845,021,992,293,120/1,027,130,851.50
  6. Step 6: Final answer
    x = 768,981,888.57

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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.