Home / 559,718,408.16-772,434,764.73-308,839,074.66

Finding the Fourth Proportional to 559,718,408.16, 772,434,764.73 and 308,839,074.66

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Solution

The fourth proportional to 559,718,408.16, 772,434,764.73 and 308,839,074.66 is: 426,210,813.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,718,408.16 : 772,434,764.73 = 308,839,074.66 : x
  2. Step 2: Convert to fraction form
    559,718,408.16/772,434,764.73 = 308,839,074.66/x
  3. Step 3: Cross multiply
    559,718,408.16x = 772,434,764.73 × 308,839,074.66
  4. Step 4: Simplify right side
    559,718,408.16x = 238,558,037,974,428,032
  5. Step 5: Solve for x
    x = 238,558,037,974,428,032/559,718,408.16
  6. Step 6: Final answer
    x = 426,210,813.32

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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.