Home / 527,983,788.56-728,606,665.32-293,020,802.96

Finding the Fourth Proportional to 527,983,788.56, 728,606,665.32 and 293,020,802.96

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Solution

The fourth proportional to 527,983,788.56, 728,606,665.32 and 293,020,802.96 is: 404,362,623.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,983,788.56 : 728,606,665.32 = 293,020,802.96 : x
  2. Step 2: Convert to fraction form
    527,983,788.56/728,606,665.32 = 293,020,802.96/x
  3. Step 3: Cross multiply
    527,983,788.56x = 728,606,665.32 × 293,020,802.96
  4. Step 4: Simplify right side
    527,983,788.56x = 213,496,910,114,074,400
  5. Step 5: Solve for x
    x = 213,496,910,114,074,400/527,983,788.56
  6. Step 6: Final answer
    x = 404,362,623.89

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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.