Home / 821,071,087.92-1,133,069,071.32-444,718,312.56

Finding the Fourth Proportional to 821,071,087.92, 1,133,069,071.32 and 444,718,312.56

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Solution

The fourth proportional to 821,071,087.92, 1,133,069,071.32 and 444,718,312.56 is: 613,706,380.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    821,071,087.92 : 1,133,069,071.32 = 444,718,312.56 : x
  2. Step 2: Convert to fraction form
    821,071,087.92/1,133,069,071.32 = 444,718,312.56/x
  3. Step 3: Cross multiply
    821,071,087.92x = 1,133,069,071.32 × 444,718,312.56
  4. Step 4: Simplify right side
    821,071,087.92x = 503,896,565,411,356,672
  5. Step 5: Solve for x
    x = 503,896,565,411,356,672/821,071,087.92
  6. Step 6: Final answer
    x = 613,706,380.39

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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.