Home / 577,169,568.05-796,472,665.47-312,845,886

Finding the Fourth Proportional to 577,169,568.05, 796,472,665.47 and 312,845,886

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Solution

The fourth proportional to 577,169,568.05, 796,472,665.47 and 312,845,886 is: 431,715,756.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,169,568.05 : 796,472,665.47 = 312,845,886 : x
  2. Step 2: Convert to fraction form
    577,169,568.05/796,472,665.47 = 312,845,886/x
  3. Step 3: Cross multiply
    577,169,568.05x = 796,472,665.47 × 312,845,886
  4. Step 4: Simplify right side
    577,169,568.05x = 249,173,196,703,743,776
  5. Step 5: Solve for x
    x = 249,173,196,703,743,776/577,169,568.05
  6. Step 6: Final answer
    x = 431,715,756.51

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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.