Home / 388,223,385.67-582,624,295.56-284,859,685.81

Finding the Fourth Proportional to 388,223,385.67, 582,624,295.56 and 284,859,685.81

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Solution

The fourth proportional to 388,223,385.67, 582,624,295.56 and 284,859,685.81 is: 427,501,742.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    388,223,385.67 : 582,624,295.56 = 284,859,685.81 : x
  2. Step 2: Convert to fraction form
    388,223,385.67/582,624,295.56 = 284,859,685.81/x
  3. Step 3: Cross multiply
    388,223,385.67x = 582,624,295.56 × 284,859,685.81
  4. Step 4: Simplify right side
    388,223,385.67x = 165,966,173,778,494,176
  5. Step 5: Solve for x
    x = 165,966,173,778,494,176/388,223,385.67
  6. Step 6: Final answer
    x = 427,501,742.31

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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.