Home / 1,426,241,966.72-1,967,489,551.44-931,494,277.76

Finding the Fourth Proportional to 1,426,241,966.72, 1,967,489,551.44 and 931,494,277.76

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Solution

The fourth proportional to 1,426,241,966.72, 1,967,489,551.44 and 931,494,277.76 is: 1,284,989,014.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,426,241,966.72 : 1,967,489,551.44 = 931,494,277.76 : x
  2. Step 2: Convert to fraction form
    1,426,241,966.72/1,967,489,551.44 = 931,494,277.76/x
  3. Step 3: Cross multiply
    1,426,241,966.72x = 1,967,489,551.44 × 931,494,277.76
  4. Step 4: Simplify right side
    1,426,241,966.72x = 1,832,705,258,718,949,120
  5. Step 5: Solve for x
    x = 1,832,705,258,718,949,120/1,426,241,966.72
  6. Step 6: Final answer
    x = 1,284,989,014.12

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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.