Home / 830,388,506.70-1,244,732,454.45-485,164,433.10

Finding the Fourth Proportional to 830,388,506.70, 1,244,732,454.45 and 485,164,433.10

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Solution

The fourth proportional to 830,388,506.70, 1,244,732,454.45 and 485,164,433.10 is: 727,249,848.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,388,506.70 : 1,244,732,454.45 = 485,164,433.10 : x
  2. Step 2: Convert to fraction form
    830,388,506.70/1,244,732,454.45 = 485,164,433.10/x
  3. Step 3: Cross multiply
    830,388,506.70x = 1,244,732,454.45 × 485,164,433.10
  4. Step 4: Simplify right side
    830,388,506.70x = 603,899,915,624,405,888
  5. Step 5: Solve for x
    x = 603,899,915,624,405,888/830,388,506.70
  6. Step 6: Final answer
    x = 727,249,848.42

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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.