Home / 1,297,238,277.32-1,948,961,688-831,811,577.32

Finding the Fourth Proportional to 1,297,238,277.32, 1,948,961,688 and 831,811,577.32

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Solution

The fourth proportional to 1,297,238,277.32, 1,948,961,688 and 831,811,577.32 is: 1,249,707,878.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,297,238,277.32 : 1,948,961,688 = 831,811,577.32 : x
  2. Step 2: Convert to fraction form
    1,297,238,277.32/1,948,961,688 = 831,811,577.32/x
  3. Step 3: Cross multiply
    1,297,238,277.32x = 1,948,961,688 × 831,811,577.32
  4. Step 4: Simplify right side
    1,297,238,277.32x = 1,621,168,895,831,529,728
  5. Step 5: Solve for x
    x = 1,621,168,895,831,529,728/1,297,238,277.32
  6. Step 6: Final answer
    x = 1,249,707,878.79

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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.