Home / 1,087,736,699.70-1,631,605,049.55-939,783,525.30

Finding the Fourth Proportional to 1,087,736,699.70, 1,631,605,049.55 and 939,783,525.30

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Solution

The fourth proportional to 1,087,736,699.70, 1,631,605,049.55 and 939,783,525.30 is: 1,409,675,287.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,087,736,699.70 : 1,631,605,049.55 = 939,783,525.30 : x
  2. Step 2: Convert to fraction form
    1,087,736,699.70/1,631,605,049.55 = 939,783,525.30/x
  3. Step 3: Cross multiply
    1,087,736,699.70x = 1,631,605,049.55 × 939,783,525.30
  4. Step 4: Simplify right side
    1,087,736,699.70x = 1,533,355,545,363,379,968
  5. Step 5: Solve for x
    x = 1,533,355,545,363,379,968/1,087,736,699.70
  6. Step 6: Final answer
    x = 1,409,675,287.95

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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.