Home / 624,032,005.60-936,048,008.40-442,633,477.60

Finding the Fourth Proportional to 624,032,005.60, 936,048,008.40 and 442,633,477.60

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Solution

The fourth proportional to 624,032,005.60, 936,048,008.40 and 442,633,477.60 is: 663,950,216.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,032,005.60 : 936,048,008.40 = 442,633,477.60 : x
  2. Step 2: Convert to fraction form
    624,032,005.60/936,048,008.40 = 442,633,477.60/x
  3. Step 3: Cross multiply
    624,032,005.60x = 936,048,008.40 × 442,633,477.60
  4. Step 4: Simplify right side
    624,032,005.60x = 414,326,185,158,646,016
  5. Step 5: Solve for x
    x = 414,326,185,158,646,016/624,032,005.60
  6. Step 6: Final answer
    x = 663,950,216.40

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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.