Home / 358,848,798.75-495,211,541.54-193,836,369.87

Finding the Fourth Proportional to 358,848,798.75, 495,211,541.54 and 193,836,369.87

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Solution

The fourth proportional to 358,848,798.75, 495,211,541.54 and 193,836,369.87 is: 267,494,298.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,848,798.75 : 495,211,541.54 = 193,836,369.87 : x
  2. Step 2: Convert to fraction form
    358,848,798.75/495,211,541.54 = 193,836,369.87/x
  3. Step 3: Cross multiply
    358,848,798.75x = 495,211,541.54 × 193,836,369.87
  4. Step 4: Simplify right side
    358,848,798.75x = 95,990,007,528,871,136
  5. Step 5: Solve for x
    x = 95,990,007,528,871,136/358,848,798.75
  6. Step 6: Final answer
    x = 267,494,298.05

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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.