Home / 500,832,541.09-691,146,360.75-277,811,913.81

Finding the Fourth Proportional to 500,832,541.09, 691,146,360.75 and 277,811,913.81

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Solution

The fourth proportional to 500,832,541.09, 691,146,360.75 and 277,811,913.81 is: 383,379,028.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,832,541.09 : 691,146,360.75 = 277,811,913.81 : x
  2. Step 2: Convert to fraction form
    500,832,541.09/691,146,360.75 = 277,811,913.81/x
  3. Step 3: Cross multiply
    500,832,541.09x = 691,146,360.75 × 277,811,913.81
  4. Step 4: Simplify right side
    500,832,541.09x = 192,008,693,202,774,176
  5. Step 5: Solve for x
    x = 192,008,693,202,774,176/500,832,541.09
  6. Step 6: Final answer
    x = 383,379,028.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.