Home / 728,110,826.40-1,092,166,239.60-483,222,813.60

Finding the Fourth Proportional to 728,110,826.40, 1,092,166,239.60 and 483,222,813.60

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Solution

The fourth proportional to 728,110,826.40, 1,092,166,239.60 and 483,222,813.60 is: 724,834,220.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    728,110,826.40 : 1,092,166,239.60 = 483,222,813.60 : x
  2. Step 2: Convert to fraction form
    728,110,826.40/1,092,166,239.60 = 483,222,813.60/x
  3. Step 3: Cross multiply
    728,110,826.40x = 1,092,166,239.60 × 483,222,813.60
  4. Step 4: Simplify right side
    728,110,826.40x = 527,759,643,218,443,712
  5. Step 5: Solve for x
    x = 527,759,643,218,443,712/728,110,826.40
  6. Step 6: Final answer
    x = 724,834,220.40

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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.