Home / 895,425,413.20-1,343,138,119.80-312,966,077.20

Finding the Fourth Proportional to 895,425,413.20, 1,343,138,119.80 and 312,966,077.20

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Solution

The fourth proportional to 895,425,413.20, 1,343,138,119.80 and 312,966,077.20 is: 469,449,115.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    895,425,413.20 : 1,343,138,119.80 = 312,966,077.20 : x
  2. Step 2: Convert to fraction form
    895,425,413.20/1,343,138,119.80 = 312,966,077.20/x
  3. Step 3: Cross multiply
    895,425,413.20x = 1,343,138,119.80 × 312,966,077.20
  4. Step 4: Simplify right side
    895,425,413.20x = 420,356,668,491,589,632
  5. Step 5: Solve for x
    x = 420,356,668,491,589,632/895,425,413.20
  6. Step 6: Final answer
    x = 469,449,115.80

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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.