Home / 1,677,938,844.12-2,516,916,226.86-513,405,477.76

Finding the Fourth Proportional to 1,677,938,844.12, 2,516,916,226.86 and 513,405,477.76

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Solution

The fourth proportional to 1,677,938,844.12, 2,516,916,226.86 and 513,405,477.76 is: 770,110,652.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,677,938,844.12 : 2,516,916,226.86 = 513,405,477.76 : x
  2. Step 2: Convert to fraction form
    1,677,938,844.12/2,516,916,226.86 = 513,405,477.76/x
  3. Step 3: Cross multiply
    1,677,938,844.12x = 2,516,916,226.86 × 513,405,477.76
  4. Step 4: Simplify right side
    1,677,938,844.12x = 1,292,198,577,932,954,880
  5. Step 5: Solve for x
    x = 1,292,198,577,932,954,880/1,677,938,844.12
  6. Step 6: Final answer
    x = 770,110,652.40

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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.