Home / 600,721,919.40-901,082,879.10-191,807,999.40

Finding the Fourth Proportional to 600,721,919.40, 901,082,879.10 and 191,807,999.40

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Solution

The fourth proportional to 600,721,919.40, 901,082,879.10 and 191,807,999.40 is: 287,711,999.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    600,721,919.40 : 901,082,879.10 = 191,807,999.40 : x
  2. Step 2: Convert to fraction form
    600,721,919.40/901,082,879.10 = 191,807,999.40/x
  3. Step 3: Cross multiply
    600,721,919.40x = 901,082,879.10 × 191,807,999.40
  4. Step 4: Simplify right side
    600,721,919.40x = 172,834,904,333,763,072
  5. Step 5: Solve for x
    x = 172,834,904,333,763,072/600,721,919.40
  6. Step 6: Final answer
    x = 287,711,999.10

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1.5x scale

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.