Home / 984,574,332.47-1,476,864,000.09-402,308,578.78

Finding the Fourth Proportional to 984,574,332.47, 1,476,864,000.09 and 402,308,578.78

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Solution

The fourth proportional to 984,574,332.47, 1,476,864,000.09 and 402,308,578.78 is: 603,463,890.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    984,574,332.47 : 1,476,864,000.09 = 402,308,578.78 : x
  2. Step 2: Convert to fraction form
    984,574,332.47/1,476,864,000.09 = 402,308,578.78/x
  3. Step 3: Cross multiply
    984,574,332.47x = 1,476,864,000.09 × 402,308,578.78
  4. Step 4: Simplify right side
    984,574,332.47x = 594,155,056,923,861,504
  5. Step 5: Solve for x
    x = 594,155,056,923,861,504/984,574,332.47
  6. Step 6: Final answer
    x = 603,463,890.26

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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.