Home / 442,868,412.30-664,302,618.45-305,118,905.10

Finding the Fourth Proportional to 442,868,412.30, 664,302,618.45 and 305,118,905.10

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Solution

The fourth proportional to 442,868,412.30, 664,302,618.45 and 305,118,905.10 is: 457,678,357.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,868,412.30 : 664,302,618.45 = 305,118,905.10 : x
  2. Step 2: Convert to fraction form
    442,868,412.30/664,302,618.45 = 305,118,905.10/x
  3. Step 3: Cross multiply
    442,868,412.30x = 664,302,618.45 × 305,118,905.10
  4. Step 4: Simplify right side
    442,868,412.30x = 202,691,287,596,527,104
  5. Step 5: Solve for x
    x = 202,691,287,596,527,104/442,868,412.30
  6. Step 6: Final answer
    x = 457,678,357.65

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.