Home / 664,302,686.60-916,765,558.26-382,045,347.92

Finding the Fourth Proportional to 664,302,686.60, 916,765,558.26 and 382,045,347.92

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Solution

The fourth proportional to 664,302,686.60, 916,765,558.26 and 382,045,347.92 is: 527,238,597.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,302,686.60 : 916,765,558.26 = 382,045,347.92 : x
  2. Step 2: Convert to fraction form
    664,302,686.60/916,765,558.26 = 382,045,347.92/x
  3. Step 3: Cross multiply
    664,302,686.60x = 916,765,558.26 × 382,045,347.92
  4. Step 4: Simplify right side
    664,302,686.60x = 350,246,016,666,514,752
  5. Step 5: Solve for x
    x = 350,246,016,666,514,752/664,302,686.60
  6. Step 6: Final answer
    x = 527,238,597.30

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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.