Home / 620,014,033.91-855,618,989.58-341,555,557.43

Finding the Fourth Proportional to 620,014,033.91, 855,618,989.58 and 341,555,557.43

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Solution

The fourth proportional to 620,014,033.91, 855,618,989.58 and 341,555,557.43 is: 471,346,461.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    620,014,033.91 : 855,618,989.58 = 341,555,557.43 : x
  2. Step 2: Convert to fraction form
    620,014,033.91/855,618,989.58 = 341,555,557.43/x
  3. Step 3: Cross multiply
    620,014,033.91x = 855,618,989.58 × 341,555,557.43
  4. Step 4: Simplify right side
    620,014,033.91x = 292,241,420,935,829,312
  5. Step 5: Solve for x
    x = 292,241,420,935,829,312/620,014,033.91
  6. Step 6: Final answer
    x = 471,346,461.45

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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.