Home / 680,804,367,098.30-1,021,206,550,647.50-412,624,783,303.10

Finding the Fourth Proportional to 680,804,367,098.30, 1,021,206,550,647.50 and 412,624,783,303.10

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Solution

The fourth proportional to 680,804,367,098.30, 1,021,206,550,647.50 and 412,624,783,303.10 is: 618,937,174,954.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    680,804,367,098.30 : 1,021,206,550,647.50 = 412,624,783,303.10 : x
  2. Step 2: Convert to fraction form
    680,804,367,098.30/1,021,206,550,647.50 = 412,624,783,303.10/x
  3. Step 3: Cross multiply
    680,804,367,098.30x = 1,021,206,550,647.50 × 412,624,783,303.10
  4. Step 4: Simplify right side
    680,804,367,098.30x = 421,375,131,668,630,875,406,336
  5. Step 5: Solve for x
    x = 421,375,131,668,630,875,406,336/680,804,367,098.30
  6. Step 6: Final answer
    x = 618,937,174,954.68

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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.