Home / 630,210,001.20-946,288,211.40-343,555,537.20

Finding the Fourth Proportional to 630,210,001.20, 946,288,211.40 and 343,555,537.20

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Solution

The fourth proportional to 630,210,001.20, 946,288,211.40 and 343,555,537.20 is: 515,863,845.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    630,210,001.20 : 946,288,211.40 = 343,555,537.20 : x
  2. Step 2: Convert to fraction form
    630,210,001.20/946,288,211.40 = 343,555,537.20/x
  3. Step 3: Cross multiply
    630,210,001.20x = 946,288,211.40 × 343,555,537.20
  4. Step 4: Simplify right side
    630,210,001.20x = 325,102,554,813,554,176
  5. Step 5: Solve for x
    x = 325,102,554,813,554,176/630,210,001.20
  6. Step 6: Final answer
    x = 515,863,845.69

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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.