Home / 643,888,894.40-965,833,341.60-594,146,016.80

Finding the Fourth Proportional to 643,888,894.40, 965,833,341.60 and 594,146,016.80

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Solution

The fourth proportional to 643,888,894.40, 965,833,341.60 and 594,146,016.80 is: 891,219,025.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    643,888,894.40 : 965,833,341.60 = 594,146,016.80 : x
  2. Step 2: Convert to fraction form
    643,888,894.40/965,833,341.60 = 594,146,016.80/x
  3. Step 3: Cross multiply
    643,888,894.40x = 965,833,341.60 × 594,146,016.80
  4. Step 4: Simplify right side
    643,888,894.40x = 573,846,032,804,273,728
  5. Step 5: Solve for x
    x = 573,846,032,804,273,728/643,888,894.40
  6. Step 6: Final answer
    x = 891,219,025.20

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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.