Home / 565,849,287.69-780,738,441.10-475,665,654.03

Finding the Fourth Proportional to 565,849,287.69, 780,738,441.10 and 475,665,654.03

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Solution

The fourth proportional to 565,849,287.69, 780,738,441.10 and 475,665,654.03 is: 656,306,315.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    565,849,287.69 : 780,738,441.10 = 475,665,654.03 : x
  2. Step 2: Convert to fraction form
    565,849,287.69/780,738,441.10 = 475,665,654.03/x
  3. Step 3: Cross multiply
    565,849,287.69x = 780,738,441.10 × 475,665,654.03
  4. Step 4: Simplify right side
    565,849,287.69x = 371,370,461,215,150,784
  5. Step 5: Solve for x
    x = 371,370,461,215,150,784/565,849,287.69
  6. Step 6: Final answer
    x = 656,306,315.64

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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.