Home / 565,710,939.51-780,675,456.11-314,811,033.81

Finding the Fourth Proportional to 565,710,939.51, 780,675,456.11 and 314,811,033.81

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Solution

The fourth proportional to 565,710,939.51, 780,675,456.11 and 314,811,033.81 is: 434,436,087.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    565,710,939.51 : 780,675,456.11 = 314,811,033.81 : x
  2. Step 2: Convert to fraction form
    565,710,939.51/780,675,456.11 = 314,811,033.81/x
  3. Step 3: Cross multiply
    565,710,939.51x = 780,675,456.11 × 314,811,033.81
  4. Step 4: Simplify right side
    565,710,939.51x = 245,765,247,406,508,320
  5. Step 5: Solve for x
    x = 245,765,247,406,508,320/565,710,939.51
  6. Step 6: Final answer
    x = 434,436,087.84

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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.