Home / 673,759,271.20-1,010,638,906.80-328,535,197.60

Finding the Fourth Proportional to 673,759,271.20, 1,010,638,906.80 and 328,535,197.60

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Solution

The fourth proportional to 673,759,271.20, 1,010,638,906.80 and 328,535,197.60 is: 492,802,796.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,759,271.20 : 1,010,638,906.80 = 328,535,197.60 : x
  2. Step 2: Convert to fraction form
    673,759,271.20/1,010,638,906.80 = 328,535,197.60/x
  3. Step 3: Cross multiply
    673,759,271.20x = 1,010,638,906.80 × 328,535,197.60
  4. Step 4: Simplify right side
    673,759,271.20x = 332,030,452,947,785,984
  5. Step 5: Solve for x
    x = 332,030,452,947,785,984/673,759,271.20
  6. Step 6: Final answer
    x = 492,802,796.40

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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.