Home / 911,735,289.16-1,367,267,921.52-313,303,431.76

Finding the Fourth Proportional to 911,735,289.16, 1,367,267,921.52 and 313,303,431.76

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Solution

The fourth proportional to 911,735,289.16, 1,367,267,921.52 and 313,303,431.76 is: 469,840,025.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    911,735,289.16 : 1,367,267,921.52 = 313,303,431.76 : x
  2. Step 2: Convert to fraction form
    911,735,289.16/1,367,267,921.52 = 313,303,431.76/x
  3. Step 3: Cross multiply
    911,735,289.16x = 1,367,267,921.52 × 313,303,431.76
  4. Step 4: Simplify right side
    911,735,289.16x = 428,369,731,947,578,368
  5. Step 5: Solve for x
    x = 428,369,731,947,578,368/911,735,289.16
  6. Step 6: Final answer
    x = 469,840,025.98

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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.