Home / 831,691,646.40-1,147,374,194.40-501,483,339.84

Finding the Fourth Proportional to 831,691,646.40, 1,147,374,194.40 and 501,483,339.84

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Solution

The fourth proportional to 831,691,646.40, 1,147,374,194.40 and 501,483,339.84 is: 691,829,773.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    831,691,646.40 : 1,147,374,194.40 = 501,483,339.84 : x
  2. Step 2: Convert to fraction form
    831,691,646.40/1,147,374,194.40 = 501,483,339.84/x
  3. Step 3: Cross multiply
    831,691,646.40x = 1,147,374,194.40 × 501,483,339.84
  4. Step 4: Simplify right side
    831,691,646.40x = 575,389,043,053,941,440
  5. Step 5: Solve for x
    x = 575,389,043,053,941,440/831,691,646.40
  6. Step 6: Final answer
    x = 691,829,773.14

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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.