Home / 425,916,651.51-637,565,814.80-363,083,642.60

Finding the Fourth Proportional to 425,916,651.51, 637,565,814.80 and 363,083,642.60

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Solution

The fourth proportional to 425,916,651.51, 637,565,814.80 and 363,083,642.60 is: 543,509,434.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,916,651.51 : 637,565,814.80 = 363,083,642.60 : x
  2. Step 2: Convert to fraction form
    425,916,651.51/637,565,814.80 = 363,083,642.60/x
  3. Step 3: Cross multiply
    425,916,651.51x = 637,565,814.80 × 363,083,642.60
  4. Step 4: Simplify right side
    425,916,651.51x = 231,489,718,429,817,760
  5. Step 5: Solve for x
    x = 231,489,718,429,817,760/425,916,651.51
  6. Step 6: Final answer
    x = 543,509,434.56

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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.