Home / 744,528,003.70-1,116,792,005.55-680,030,749.30

Finding the Fourth Proportional to 744,528,003.70, 1,116,792,005.55 and 680,030,749.30

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Solution

The fourth proportional to 744,528,003.70, 1,116,792,005.55 and 680,030,749.30 is: 1,020,046,123.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    744,528,003.70 : 1,116,792,005.55 = 680,030,749.30 : x
  2. Step 2: Convert to fraction form
    744,528,003.70/1,116,792,005.55 = 680,030,749.30/x
  3. Step 3: Cross multiply
    744,528,003.70x = 1,116,792,005.55 × 680,030,749.30
  4. Step 4: Simplify right side
    744,528,003.70x = 759,452,904,346,416,128
  5. Step 5: Solve for x
    x = 759,452,904,346,416,128/744,528,003.70
  6. Step 6: Final answer
    x = 1,020,046,123.95

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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.