Home / 575,210,003.80-862,815,005.70-479,550,623.80

Finding the Fourth Proportional to 575,210,003.80, 862,815,005.70 and 479,550,623.80

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Solution

The fourth proportional to 575,210,003.80, 862,815,005.70 and 479,550,623.80 is: 719,325,935.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,210,003.80 : 862,815,005.70 = 479,550,623.80 : x
  2. Step 2: Convert to fraction form
    575,210,003.80/862,815,005.70 = 479,550,623.80/x
  3. Step 3: Cross multiply
    575,210,003.80x = 862,815,005.70 × 479,550,623.80
  4. Step 4: Simplify right side
    575,210,003.80x = 413,763,474,207,435,584
  5. Step 5: Solve for x
    x = 413,763,474,207,435,584/575,210,003.80
  6. Step 6: Final answer
    x = 719,325,935.70

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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.