Home / 912,800,907.70-1,368,852,336.76-498,056,050.14

Finding the Fourth Proportional to 912,800,907.70, 1,368,852,336.76 and 498,056,050.14

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Solution

The fourth proportional to 912,800,907.70, 1,368,852,336.76 and 498,056,050.14 is: 746,893,635.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    912,800,907.70 : 1,368,852,336.76 = 498,056,050.14 : x
  2. Step 2: Convert to fraction form
    912,800,907.70/1,368,852,336.76 = 498,056,050.14/x
  3. Step 3: Cross multiply
    912,800,907.70x = 1,368,852,336.76 × 498,056,050.14
  4. Step 4: Simplify right side
    912,800,907.70x = 681,765,188,069,682,560
  5. Step 5: Solve for x
    x = 681,765,188,069,682,560/912,800,907.70
  6. Step 6: Final answer
    x = 746,893,635.10

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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.