Home / 1,674,420,620.49-2,310,729,840.78-911,486,627.28

Finding the Fourth Proportional to 1,674,420,620.49, 2,310,729,840.78 and 911,486,627.28

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Solution

The fourth proportional to 1,674,420,620.49, 2,310,729,840.78 and 911,486,627.28 is: 1,257,867,541.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,674,420,620.49 : 2,310,729,840.78 = 911,486,627.28 : x
  2. Step 2: Convert to fraction form
    1,674,420,620.49/2,310,729,840.78 = 911,486,627.28/x
  3. Step 3: Cross multiply
    1,674,420,620.49x = 2,310,729,840.78 × 911,486,627.28
  4. Step 4: Simplify right side
    1,674,420,620.49x = 2,106,199,349,127,813,632
  5. Step 5: Solve for x
    x = 2,106,199,349,127,813,632/1,674,420,620.49
  6. Step 6: Final answer
    x = 1,257,867,541.38

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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.