Home / 1,065,155,679.60-1,596,725,749.80-628,791,442.80

Finding the Fourth Proportional to 1,065,155,679.60, 1,596,725,749.80 and 628,791,442.80

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Solution

The fourth proportional to 1,065,155,679.60, 1,596,725,749.80 and 628,791,442.80 is: 942,592,249.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,065,155,679.60 : 1,596,725,749.80 = 628,791,442.80 : x
  2. Step 2: Convert to fraction form
    1,065,155,679.60/1,596,725,749.80 = 628,791,442.80/x
  3. Step 3: Cross multiply
    1,065,155,679.60x = 1,596,725,749.80 × 628,791,442.80
  4. Step 4: Simplify right side
    1,065,155,679.60x = 1,004,007,487,972,653,696
  5. Step 5: Solve for x
    x = 1,004,007,487,972,653,696/1,065,155,679.60
  6. Step 6: Final answer
    x = 942,592,249.38

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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.