Home / 384,617,099.14-530,798,533.71-217,368,817.20

Finding the Fourth Proportional to 384,617,099.14, 530,798,533.71 and 217,368,817.20

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Solution

The fourth proportional to 384,617,099.14, 530,798,533.71 and 217,368,817.20 is: 299,984,191.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,617,099.14 : 530,798,533.71 = 217,368,817.20 : x
  2. Step 2: Convert to fraction form
    384,617,099.14/530,798,533.71 = 217,368,817.20/x
  3. Step 3: Cross multiply
    384,617,099.14x = 530,798,533.71 × 217,368,817.20
  4. Step 4: Simplify right side
    384,617,099.14x = 115,379,049,444,037,024
  5. Step 5: Solve for x
    x = 115,379,049,444,037,024/384,617,099.14
  6. Step 6: Final answer
    x = 299,984,191.30

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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.