Home / 984,574,337.45-1,476,864,007.55-402,308,583.75

Finding the Fourth Proportional to 984,574,337.45, 1,476,864,007.55 and 402,308,583.75

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Solution

The fourth proportional to 984,574,337.45, 1,476,864,007.55 and 402,308,583.75 is: 603,463,897.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    984,574,337.45 : 1,476,864,007.55 = 402,308,583.75 : x
  2. Step 2: Convert to fraction form
    984,574,337.45/1,476,864,007.55 = 402,308,583.75/x
  3. Step 3: Cross multiply
    984,574,337.45x = 1,476,864,007.55 × 402,308,583.75
  4. Step 4: Simplify right side
    984,574,337.45x = 594,155,067,266,778,240
  5. Step 5: Solve for x
    x = 594,155,067,266,778,240/984,574,337.45
  6. Step 6: Final answer
    x = 603,463,897.72

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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.