Home / 744,528,019.20-1,116,792,028.80-680,030,764.80

Finding the Fourth Proportional to 744,528,019.20, 1,116,792,028.80 and 680,030,764.80

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Solution

The fourth proportional to 744,528,019.20, 1,116,792,028.80 and 680,030,764.80 is: 1,020,046,147.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    744,528,019.20 : 1,116,792,028.80 = 680,030,764.80 : x
  2. Step 2: Convert to fraction form
    744,528,019.20/1,116,792,028.80 = 680,030,764.80/x
  3. Step 3: Cross multiply
    744,528,019.20x = 1,116,792,028.80 × 680,030,764.80
  4. Step 4: Simplify right side
    744,528,019.20x = 759,452,937,467,407,488
  5. Step 5: Solve for x
    x = 759,452,937,467,407,488/744,528,019.20
  6. Step 6: Final answer
    x = 1,020,046,147.20

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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.