Home / 1,376,807,976.29-1,899,904,102.81-774,071,508.94

Finding the Fourth Proportional to 1,376,807,976.29, 1,899,904,102.81 and 774,071,508.94

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Solution

The fourth proportional to 1,376,807,976.29, 1,899,904,102.81 and 774,071,508.94 is: 1,068,167,573.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,376,807,976.29 : 1,899,904,102.81 = 774,071,508.94 : x
  2. Step 2: Convert to fraction form
    1,376,807,976.29/1,899,904,102.81 = 774,071,508.94/x
  3. Step 3: Cross multiply
    1,376,807,976.29x = 1,899,904,102.81 × 774,071,508.94
  4. Step 4: Simplify right side
    1,376,807,976.29x = 1,470,661,635,696,748,544
  5. Step 5: Solve for x
    x = 1,470,661,635,696,748,544/1,376,807,976.29
  6. Step 6: Final answer
    x = 1,068,167,573.85

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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.