Home / 984,574,359.34-1,476,864,040.42-402,308,605.66

Finding the Fourth Proportional to 984,574,359.34, 1,476,864,040.42 and 402,308,605.66

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Solution

The fourth proportional to 984,574,359.34, 1,476,864,040.42 and 402,308,605.66 is: 603,463,930.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    984,574,359.34 : 1,476,864,040.42 = 402,308,605.66 : x
  2. Step 2: Convert to fraction form
    984,574,359.34/1,476,864,040.42 = 402,308,605.66/x
  3. Step 3: Cross multiply
    984,574,359.34x = 1,476,864,040.42 × 402,308,605.66
  4. Step 4: Simplify right side
    984,574,359.34x = 594,155,112,850,764,160
  5. Step 5: Solve for x
    x = 594,155,112,850,764,160/984,574,359.34
  6. Step 6: Final answer
    x = 603,463,930.60

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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.