Home / 1,297,238,278.32-1,948,961,689.50-831,811,578.32

Finding the Fourth Proportional to 1,297,238,278.32, 1,948,961,689.50 and 831,811,578.32

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Solution

The fourth proportional to 1,297,238,278.32, 1,948,961,689.50 and 831,811,578.32 is: 1,249,707,880.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,297,238,278.32 : 1,948,961,689.50 = 831,811,578.32 : x
  2. Step 2: Convert to fraction form
    1,297,238,278.32/1,948,961,689.50 = 831,811,578.32/x
  3. Step 3: Cross multiply
    1,297,238,278.32x = 1,948,961,689.50 × 831,811,578.32
  4. Step 4: Simplify right side
    1,297,238,278.32x = 1,621,168,899,028,208,896
  5. Step 5: Solve for x
    x = 1,621,168,899,028,208,896/1,297,238,278.32
  6. Step 6: Final answer
    x = 1,249,707,880.29

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1.5x scale

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.