Home / 779,490,164.92-1,075,696,396.68-427,079,507.26

Finding the Fourth Proportional to 779,490,164.92, 1,075,696,396.68 and 427,079,507.26

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Solution

The fourth proportional to 779,490,164.92, 1,075,696,396.68 and 427,079,507.26 is: 589,369,703.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,490,164.92 : 1,075,696,396.68 = 427,079,507.26 : x
  2. Step 2: Convert to fraction form
    779,490,164.92/1,075,696,396.68 = 427,079,507.26/x
  3. Step 3: Cross multiply
    779,490,164.92x = 1,075,696,396.68 × 427,079,507.26
  4. Step 4: Simplify right side
    779,490,164.92x = 459,407,887,055,451,904
  5. Step 5: Solve for x
    x = 459,407,887,055,451,904/779,490,164.92
  6. Step 6: Final answer
    x = 589,369,703.08

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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.