Home / 728,724,117.60-1,093,338,118.80-703,529,877.60

Finding the Fourth Proportional to 728,724,117.60, 1,093,338,118.80 and 703,529,877.60

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Solution

The fourth proportional to 728,724,117.60, 1,093,338,118.80 and 703,529,877.60 is: 1,055,538,048.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    728,724,117.60 : 1,093,338,118.80 = 703,529,877.60 : x
  2. Step 2: Convert to fraction form
    728,724,117.60/1,093,338,118.80 = 703,529,877.60/x
  3. Step 3: Cross multiply
    728,724,117.60x = 1,093,338,118.80 × 703,529,877.60
  4. Step 4: Simplify right side
    728,724,117.60x = 769,196,032,894,778,240
  5. Step 5: Solve for x
    x = 769,196,032,894,778,240/728,724,117.60
  6. Step 6: Final answer
    x = 1,055,538,048.37

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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.