Home / 437,756,769.70-604,099,863.21-242,187,881.38

Finding the Fourth Proportional to 437,756,769.70, 604,099,863.21 and 242,187,881.38

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Solution

The fourth proportional to 437,756,769.70, 604,099,863.21 and 242,187,881.38 is: 334,216,798.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,756,769.70 : 604,099,863.21 = 242,187,881.38 : x
  2. Step 2: Convert to fraction form
    437,756,769.70/604,099,863.21 = 242,187,881.38/x
  3. Step 3: Cross multiply
    437,756,769.70x = 604,099,863.21 × 242,187,881.38
  4. Step 4: Simplify right side
    437,756,769.70x = 146,305,666,012,777,728
  5. Step 5: Solve for x
    x = 146,305,666,012,777,728/437,756,769.70
  6. Step 6: Final answer
    x = 334,216,798.32

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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.