Home / 672,840,039.15-1,009,711,455.53-236,139,879.15

Finding the Fourth Proportional to 672,840,039.15, 1,009,711,455.53 and 236,139,879.15

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Solution

The fourth proportional to 672,840,039.15, 1,009,711,455.53 and 236,139,879.15 is: 354,368,240.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,840,039.15 : 1,009,711,455.53 = 236,139,879.15 : x
  2. Step 2: Convert to fraction form
    672,840,039.15/1,009,711,455.53 = 236,139,879.15/x
  3. Step 3: Cross multiply
    672,840,039.15x = 1,009,711,455.53 × 236,139,879.15
  4. Step 4: Simplify right side
    672,840,039.15x = 238,433,141,084,044,096
  5. Step 5: Solve for x
    x = 238,433,141,084,044,096/672,840,039.15
  6. Step 6: Final answer
    x = 354,368,240.91

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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.