Home / 305,208,032.85-457,812,049.28-293,303,754.45

Finding the Fourth Proportional to 305,208,032.85, 457,812,049.28 and 293,303,754.45

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Solution

The fourth proportional to 305,208,032.85, 457,812,049.28 and 293,303,754.45 is: 439,955,631.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,208,032.85 : 457,812,049.28 = 293,303,754.45 : x
  2. Step 2: Convert to fraction form
    305,208,032.85/457,812,049.28 = 293,303,754.45/x
  3. Step 3: Cross multiply
    305,208,032.85x = 457,812,049.28 × 293,303,754.45
  4. Step 4: Simplify right side
    305,208,032.85x = 134,277,992,884,805,888
  5. Step 5: Solve for x
    x = 134,277,992,884,805,888/305,208,032.85
  6. Step 6: Final answer
    x = 439,955,631.68

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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.