Home / 500,832,547.08-691,146,369-277,811,919.80

Finding the Fourth Proportional to 500,832,547.08, 691,146,369 and 277,811,919.80

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Solution

The fourth proportional to 500,832,547.08, 691,146,369 and 277,811,919.80 is: 383,379,037.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,832,547.08 : 691,146,369 = 277,811,919.80 : x
  2. Step 2: Convert to fraction form
    500,832,547.08/691,146,369 = 277,811,919.80/x
  3. Step 3: Cross multiply
    500,832,547.08x = 691,146,369 × 277,811,919.80
  4. Step 4: Simplify right side
    500,832,547.08x = 192,008,699,634,689,216
  5. Step 5: Solve for x
    x = 192,008,699,634,689,216/500,832,547.08
  6. Step 6: Final answer
    x = 383,379,037.07

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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.