Home / 897,029,430.20-1,345,544,145.30-679,351,196.60

Finding the Fourth Proportional to 897,029,430.20, 1,345,544,145.30 and 679,351,196.60

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Solution

The fourth proportional to 897,029,430.20, 1,345,544,145.30 and 679,351,196.60 is: 1,019,026,794.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    897,029,430.20 : 1,345,544,145.30 = 679,351,196.60 : x
  2. Step 2: Convert to fraction form
    897,029,430.20/1,345,544,145.30 = 679,351,196.60/x
  3. Step 3: Cross multiply
    897,029,430.20x = 1,345,544,145.30 × 679,351,196.60
  4. Step 4: Simplify right side
    897,029,430.20x = 914,097,025,187,679,232
  5. Step 5: Solve for x
    x = 914,097,025,187,679,232/897,029,430.20
  6. Step 6: Final answer
    x = 1,019,026,794.90

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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.