Home / 550,439,511.76-759,606,306.48-302,920,866.16

Finding the Fourth Proportional to 550,439,511.76, 759,606,306.48 and 302,920,866.16

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Solution

The fourth proportional to 550,439,511.76, 759,606,306.48 and 302,920,866.16 is: 418,030,674.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,439,511.76 : 759,606,306.48 = 302,920,866.16 : x
  2. Step 2: Convert to fraction form
    550,439,511.76/759,606,306.48 = 302,920,866.16/x
  3. Step 3: Cross multiply
    550,439,511.76x = 759,606,306.48 × 302,920,866.16
  4. Step 4: Simplify right side
    550,439,511.76x = 230,100,600,299,520,032
  5. Step 5: Solve for x
    x = 230,100,600,299,520,032/550,439,511.76
  6. Step 6: Final answer
    x = 418,030,674.37

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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.