Home / 3,648,282,500.63-5,034,494,967.86-1,977,495,772.79

Finding the Fourth Proportional to 3,648,282,500.63, 5,034,494,967.86 and 1,977,495,772.79

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Solution

The fourth proportional to 3,648,282,500.63, 5,034,494,967.86 and 1,977,495,772.79 is: 2,728,871,055.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,648,282,500.63 : 5,034,494,967.86 = 1,977,495,772.79 : x
  2. Step 2: Convert to fraction form
    3,648,282,500.63/5,034,494,967.86 = 1,977,495,772.79/x
  3. Step 3: Cross multiply
    3,648,282,500.63x = 5,034,494,967.86 × 1,977,495,772.79
  4. Step 4: Simplify right side
    3,648,282,500.63x = 9,955,692,517,065,787,392
  5. Step 5: Solve for x
    x = 9,955,692,517,065,787,392/3,648,282,500.63
  6. Step 6: Final answer
    x = 2,728,871,055.17

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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.