Home / 388,223,384.67-582,624,294.06-284,859,684.81

Finding the Fourth Proportional to 388,223,384.67, 582,624,294.06 and 284,859,684.81

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Solution

The fourth proportional to 388,223,384.67, 582,624,294.06 and 284,859,684.81 is: 427,501,740.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    388,223,384.67 : 582,624,294.06 = 284,859,684.81 : x
  2. Step 2: Convert to fraction form
    388,223,384.67/582,624,294.06 = 284,859,684.81/x
  3. Step 3: Cross multiply
    388,223,384.67x = 582,624,294.06 × 284,859,684.81
  4. Step 4: Simplify right side
    388,223,384.67x = 165,966,172,768,580,352
  5. Step 5: Solve for x
    x = 165,966,172,768,580,352/388,223,384.67
  6. Step 6: Final answer
    x = 427,501,740.81

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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.