Home / 507,392,730,884.28-700,215,239,215.78-275,919,788,115.54

Finding the Fourth Proportional to 507,392,730,884.28, 700,215,239,215.78 and 275,919,788,115.54

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Solution

The fourth proportional to 507,392,730,884.28, 700,215,239,215.78 and 275,919,788,115.54 is: 380,776,524,139.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,392,730,884.28 : 700,215,239,215.78 = 275,919,788,115.54 : x
  2. Step 2: Convert to fraction form
    507,392,730,884.28/700,215,239,215.78 = 275,919,788,115.54/x
  3. Step 3: Cross multiply
    507,392,730,884.28x = 700,215,239,215.78 × 275,919,788,115.54
  4. Step 4: Simplify right side
    507,392,730,884.28x = 193,203,240,439,690,179,903,488
  5. Step 5: Solve for x
    x = 193,203,240,439,690,179,903,488/507,392,730,884.28
  6. Step 6: Final answer
    x = 380,776,524,139.35

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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.