Home / 862,084,518.40-1,293,126,777.60-248,688,755.20

Finding the Fourth Proportional to 862,084,518.40, 1,293,126,777.60 and 248,688,755.20

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Solution

The fourth proportional to 862,084,518.40, 1,293,126,777.60 and 248,688,755.20 is: 373,033,132.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    862,084,518.40 : 1,293,126,777.60 = 248,688,755.20 : x
  2. Step 2: Convert to fraction form
    862,084,518.40/1,293,126,777.60 = 248,688,755.20/x
  3. Step 3: Cross multiply
    862,084,518.40x = 1,293,126,777.60 × 248,688,755.20
  4. Step 4: Simplify right side
    862,084,518.40x = 321,586,088,637,131,200
  5. Step 5: Solve for x
    x = 321,586,088,637,131,200/862,084,518.40
  6. Step 6: Final answer
    x = 373,033,132.80

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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.