Home / 1,355,715,999.60-2,033,573,999.40-386,241,644.40

Finding the Fourth Proportional to 1,355,715,999.60, 2,033,573,999.40 and 386,241,644.40

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Solution

The fourth proportional to 1,355,715,999.60, 2,033,573,999.40 and 386,241,644.40 is: 579,362,466.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,355,715,999.60 : 2,033,573,999.40 = 386,241,644.40 : x
  2. Step 2: Convert to fraction form
    1,355,715,999.60/2,033,573,999.40 = 386,241,644.40/x
  3. Step 3: Cross multiply
    1,355,715,999.60x = 2,033,573,999.40 × 386,241,644.40
  4. Step 4: Simplify right side
    1,355,715,999.60x = 785,450,965,537,340,544
  5. Step 5: Solve for x
    x = 785,450,965,537,340,544/1,355,715,999.60
  6. Step 6: Final answer
    x = 579,362,466.60

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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.