Home / 1,297,238,365.22-1,948,961,820.28-831,811,664.96

Finding the Fourth Proportional to 1,297,238,365.22, 1,948,961,820.28 and 831,811,664.96

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Solution

The fourth proportional to 1,297,238,365.22, 1,948,961,820.28 and 831,811,664.96 is: 1,249,708,010.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,297,238,365.22 : 1,948,961,820.28 = 831,811,664.96 : x
  2. Step 2: Convert to fraction form
    1,297,238,365.22/1,948,961,820.28 = 831,811,664.96/x
  3. Step 3: Cross multiply
    1,297,238,365.22x = 1,948,961,820.28 × 831,811,664.96
  4. Step 4: Simplify right side
    1,297,238,365.22x = 1,621,169,176,670,579,200
  5. Step 5: Solve for x
    x = 1,621,169,176,670,579,200/1,297,238,365.22
  6. Step 6: Final answer
    x = 1,249,708,010.60

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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.