Home / 1,008,916,453.89-1,392,305,573.16-562,879,886.13

Finding the Fourth Proportional to 1,008,916,453.89, 1,392,305,573.16 and 562,879,886.13

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Solution

The fourth proportional to 1,008,916,453.89, 1,392,305,573.16 and 562,879,886.13 is: 776,774,726.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,008,916,453.89 : 1,392,305,573.16 = 562,879,886.13 : x
  2. Step 2: Convert to fraction form
    1,008,916,453.89/1,392,305,573.16 = 562,879,886.13/x
  3. Step 3: Cross multiply
    1,008,916,453.89x = 1,392,305,573.16 × 562,879,886.13
  4. Step 4: Simplify right side
    1,008,916,453.89x = 783,700,802,478,465,280
  5. Step 5: Solve for x
    x = 783,700,802,478,465,280/1,008,916,453.89
  6. Step 6: Final answer
    x = 776,774,726.45

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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.