Home / 1,277,080,971.90-1,916,599,204.88-578,064,000.90

Finding the Fourth Proportional to 1,277,080,971.90, 1,916,599,204.88 and 578,064,000.90

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Solution

The fourth proportional to 1,277,080,971.90, 1,916,599,204.88 and 578,064,000.90 is: 867,538,573.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,277,080,971.90 : 1,916,599,204.88 = 578,064,000.90 : x
  2. Step 2: Convert to fraction form
    1,277,080,971.90/1,916,599,204.88 = 578,064,000.90/x
  3. Step 3: Cross multiply
    1,277,080,971.90x = 1,916,599,204.88 × 578,064,000.90
  4. Step 4: Simplify right side
    1,277,080,971.90x = 1,107,917,004,501,185,024
  5. Step 5: Solve for x
    x = 1,107,917,004,501,185,024/1,277,080,971.90
  6. Step 6: Final answer
    x = 867,538,573.42

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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.