Home / 1,252,945,588.49-1,878,250,000.75-423,319,040.30

Finding the Fourth Proportional to 1,252,945,588.49, 1,878,250,000.75 and 423,319,040.30

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Solution

The fourth proportional to 1,252,945,588.49, 1,878,250,000.75 and 423,319,040.30 is: 634,583,811.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,252,945,588.49 : 1,878,250,000.75 = 423,319,040.30 : x
  2. Step 2: Convert to fraction form
    1,252,945,588.49/1,878,250,000.75 = 423,319,040.30/x
  3. Step 3: Cross multiply
    1,252,945,588.49x = 1,878,250,000.75 × 423,319,040.30
  4. Step 4: Simplify right side
    1,252,945,588.49x = 795,098,987,760,964,352
  5. Step 5: Solve for x
    x = 795,098,987,760,964,352/1,252,945,588.49
  6. Step 6: Final answer
    x = 634,583,811.99

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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.