Home / 1,226,630,458.80-1,839,945,688.20-742,901,050.80

Finding the Fourth Proportional to 1,226,630,458.80, 1,839,945,688.20 and 742,901,050.80

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Solution

The fourth proportional to 1,226,630,458.80, 1,839,945,688.20 and 742,901,050.80 is: 1,114,351,576.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,226,630,458.80 : 1,839,945,688.20 = 742,901,050.80 : x
  2. Step 2: Convert to fraction form
    1,226,630,458.80/1,839,945,688.20 = 742,901,050.80/x
  3. Step 3: Cross multiply
    1,226,630,458.80x = 1,839,945,688.20 × 742,901,050.80
  4. Step 4: Simplify right side
    1,226,630,458.80x = 1,366,897,585,178,708,992
  5. Step 5: Solve for x
    x = 1,366,897,585,178,708,992/1,226,630,458.80
  6. Step 6: Final answer
    x = 1,114,351,576.20

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Double scale
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1.5x scale

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.