Home / 671,170,865.40-1,005,055,686.90-535,121,969.40

Finding the Fourth Proportional to 671,170,865.40, 1,005,055,686.90 and 535,121,969.40

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Solution

The fourth proportional to 671,170,865.40, 1,005,055,686.90 and 535,121,969.40 is: 801,327,063.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,170,865.40 : 1,005,055,686.90 = 535,121,969.40 : x
  2. Step 2: Convert to fraction form
    671,170,865.40/1,005,055,686.90 = 535,121,969.40/x
  3. Step 3: Cross multiply
    671,170,865.40x = 1,005,055,686.90 × 535,121,969.40
  4. Step 4: Simplify right side
    671,170,865.40x = 537,827,378,530,597,760
  5. Step 5: Solve for x
    x = 537,827,378,530,597,760/671,170,865.40
  6. Step 6: Final answer
    x = 801,327,063.28

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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.