Home / 549,981,895.37-760,973,606.73-479,564,343.68

Finding the Fourth Proportional to 549,981,895.37, 760,973,606.73 and 479,564,343.68

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Solution

The fourth proportional to 549,981,895.37, 760,973,606.73 and 479,564,343.68 is: 663,541,493.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,981,895.37 : 760,973,606.73 = 479,564,343.68 : x
  2. Step 2: Convert to fraction form
    549,981,895.37/760,973,606.73 = 479,564,343.68/x
  3. Step 3: Cross multiply
    549,981,895.37x = 760,973,606.73 × 479,564,343.68
  4. Step 4: Simplify right side
    549,981,895.37x = 364,935,808,265,470,016
  5. Step 5: Solve for x
    x = 364,935,808,265,470,016/549,981,895.37
  6. Step 6: Final answer
    x = 663,541,493.53

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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.