Home / 898,679,840.40-1,348,019,760.60-735,421,165.20

Finding the Fourth Proportional to 898,679,840.40, 1,348,019,760.60 and 735,421,165.20

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Solution

The fourth proportional to 898,679,840.40, 1,348,019,760.60 and 735,421,165.20 is: 1,103,131,747.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    898,679,840.40 : 1,348,019,760.60 = 735,421,165.20 : x
  2. Step 2: Convert to fraction form
    898,679,840.40/1,348,019,760.60 = 735,421,165.20/x
  3. Step 3: Cross multiply
    898,679,840.40x = 1,348,019,760.60 × 735,421,165.20
  4. Step 4: Simplify right side
    898,679,840.40x = 991,362,263,053,076,992
  5. Step 5: Solve for x
    x = 991,362,263,053,076,992/898,679,840.40
  6. Step 6: Final answer
    x = 1,103,131,747.80

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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.