Home / 1,347,688,788.66-2,021,574,365.77-462,361,729.26

Finding the Fourth Proportional to 1,347,688,788.66, 2,021,574,365.77 and 462,361,729.26

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Solution

The fourth proportional to 1,347,688,788.66, 2,021,574,365.77 and 462,361,729.26 is: 693,556,722.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,347,688,788.66 : 2,021,574,365.77 = 462,361,729.26 : x
  2. Step 2: Convert to fraction form
    1,347,688,788.66/2,021,574,365.77 = 462,361,729.26/x
  3. Step 3: Cross multiply
    1,347,688,788.66x = 2,021,574,365.77 × 462,361,729.26
  4. Step 4: Simplify right side
    1,347,688,788.66x = 934,698,619,583,949,056
  5. Step 5: Solve for x
    x = 934,698,619,583,949,056/1,347,688,788.66
  6. Step 6: Final answer
    x = 693,556,722.78

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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.