Home / 1,256,401,449.56-1,733,778,072-720,168,688.28

Finding the Fourth Proportional to 1,256,401,449.56, 1,733,778,072 and 720,168,688.28

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Solution

The fourth proportional to 1,256,401,449.56, 1,733,778,072 and 720,168,688.28 is: 993,800,731.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,256,401,449.56 : 1,733,778,072 = 720,168,688.28 : x
  2. Step 2: Convert to fraction form
    1,256,401,449.56/1,733,778,072 = 720,168,688.28/x
  3. Step 3: Cross multiply
    1,256,401,449.56x = 1,733,778,072 × 720,168,688.28
  4. Step 4: Simplify right side
    1,256,401,449.56x = 1,248,612,679,880,867,328
  5. Step 5: Solve for x
    x = 1,248,612,679,880,867,328/1,256,401,449.56
  6. Step 6: Final answer
    x = 993,800,731.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.