Home / 748,927,847.80-1,121,202,050.10-533,936,999.80

Finding the Fourth Proportional to 748,927,847.80, 1,121,202,050.10 and 533,936,999.80

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Solution

The fourth proportional to 748,927,847.80, 1,121,202,050.10 and 533,936,999.80 is: 799,344,370.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,927,847.80 : 1,121,202,050.10 = 533,936,999.80 : x
  2. Step 2: Convert to fraction form
    748,927,847.80/1,121,202,050.10 = 533,936,999.80/x
  3. Step 3: Cross multiply
    748,927,847.80x = 1,121,202,050.10 × 533,936,999.80
  4. Step 4: Simplify right side
    748,927,847.80x = 598,651,258,800,003,200
  5. Step 5: Solve for x
    x = 598,651,258,800,003,200/748,927,847.80
  6. Step 6: Final answer
    x = 799,344,370.17

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1.5x scale

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.