Home / 820,595,875.60-1,230,893,813.40-246,167,203.60

Finding the Fourth Proportional to 820,595,875.60, 1,230,893,813.40 and 246,167,203.60

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Solution

The fourth proportional to 820,595,875.60, 1,230,893,813.40 and 246,167,203.60 is: 369,250,805.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    820,595,875.60 : 1,230,893,813.40 = 246,167,203.60 : x
  2. Step 2: Convert to fraction form
    820,595,875.60/1,230,893,813.40 = 246,167,203.60/x
  3. Step 3: Cross multiply
    820,595,875.60x = 1,230,893,813.40 × 246,167,203.60
  4. Step 4: Simplify right side
    820,595,875.60x = 303,005,687,973,218,240
  5. Step 5: Solve for x
    x = 303,005,687,973,218,240/820,595,875.60
  6. Step 6: Final answer
    x = 369,250,805.40

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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.