Home / 1,418,492,028.40-2,127,738,042.60-874,296,444.40

Finding the Fourth Proportional to 1,418,492,028.40, 2,127,738,042.60 and 874,296,444.40

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Solution

The fourth proportional to 1,418,492,028.40, 2,127,738,042.60 and 874,296,444.40 is: 1,311,444,666.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,418,492,028.40 : 2,127,738,042.60 = 874,296,444.40 : x
  2. Step 2: Convert to fraction form
    1,418,492,028.40/2,127,738,042.60 = 874,296,444.40/x
  3. Step 3: Cross multiply
    1,418,492,028.40x = 2,127,738,042.60 × 874,296,444.40
  4. Step 4: Simplify right side
    1,418,492,028.40x = 1,860,273,805,259,795,712
  5. Step 5: Solve for x
    x = 1,860,273,805,259,795,712/1,418,492,028.40
  6. Step 6: Final answer
    x = 1,311,444,666.60

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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.