Home / 1,319,054,573.52-1,978,645,491.24-433,720,331.64

Finding the Fourth Proportional to 1,319,054,573.52, 1,978,645,491.24 and 433,720,331.64

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Solution

The fourth proportional to 1,319,054,573.52, 1,978,645,491.24 and 433,720,331.64 is: 650,601,420.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,319,054,573.52 : 1,978,645,491.24 = 433,720,331.64 : x
  2. Step 2: Convert to fraction form
    1,319,054,573.52/1,978,645,491.24 = 433,720,331.64/x
  3. Step 3: Cross multiply
    1,319,054,573.52x = 1,978,645,491.24 × 433,720,331.64
  4. Step 4: Simplify right side
    1,319,054,573.52x = 858,178,778,658,603,520
  5. Step 5: Solve for x
    x = 858,178,778,658,603,520/1,319,054,573.52
  6. Step 6: Final answer
    x = 650,601,420.05

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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.