Home / 851,214,695.55-1,174,676,783.64-474,871,284.58

Finding the Fourth Proportional to 851,214,695.55, 1,174,676,783.64 and 474,871,284.58

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Solution

The fourth proportional to 851,214,695.55, 1,174,676,783.64 and 474,871,284.58 is: 655,322,653.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,214,695.55 : 1,174,676,783.64 = 474,871,284.58 : x
  2. Step 2: Convert to fraction form
    851,214,695.55/1,174,676,783.64 = 474,871,284.58/x
  3. Step 3: Cross multiply
    851,214,695.55x = 1,174,676,783.64 × 474,871,284.58
  4. Step 4: Simplify right side
    851,214,695.55x = 557,820,273,209,099,456
  5. Step 5: Solve for x
    x = 557,820,273,209,099,456/851,214,695.55
  6. Step 6: Final answer
    x = 655,322,653.76

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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.