Home / 1,319,150,415.15-1,980,678,176.33-738,045,269.55

Finding the Fourth Proportional to 1,319,150,415.15, 1,980,678,176.33 and 738,045,269.55

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Solution

The fourth proportional to 1,319,150,415.15, 1,980,678,176.33 and 738,045,269.55 is: 1,108,160,329.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,319,150,415.15 : 1,980,678,176.33 = 738,045,269.55 : x
  2. Step 2: Convert to fraction form
    1,319,150,415.15/1,980,678,176.33 = 738,045,269.55/x
  3. Step 3: Cross multiply
    1,319,150,415.15x = 1,980,678,176.33 × 738,045,269.55
  4. Step 4: Simplify right side
    1,319,150,415.15x = 1,461,830,158,537,586,944
  5. Step 5: Solve for x
    x = 1,461,830,158,537,586,944/1,319,150,415.15
  6. Step 6: Final answer
    x = 1,108,160,329.37

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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.