Home / 1,199,756,840.60-1,654,997,527.44-697,909,158.20

Finding the Fourth Proportional to 1,199,756,840.60, 1,654,997,527.44 and 697,909,158.20

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Solution

The fourth proportional to 1,199,756,840.60, 1,654,997,527.44 and 697,909,158.20 is: 962,726,689.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,199,756,840.60 : 1,654,997,527.44 = 697,909,158.20 : x
  2. Step 2: Convert to fraction form
    1,199,756,840.60/1,654,997,527.44 = 697,909,158.20/x
  3. Step 3: Cross multiply
    1,199,756,840.60x = 1,654,997,527.44 × 697,909,158.20
  4. Step 4: Simplify right side
    1,199,756,840.60x = 1,155,037,931,198,732,032
  5. Step 5: Solve for x
    x = 1,155,037,931,198,732,032/1,199,756,840.60
  6. Step 6: Final answer
    x = 962,726,689.37

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.