Home / 577,169,548.22-796,472,638.10-312,845,866.16

Finding the Fourth Proportional to 577,169,548.22, 796,472,638.10 and 312,845,866.16

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Solution

The fourth proportional to 577,169,548.22, 796,472,638.10 and 312,845,866.16 is: 431,715,729.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,169,548.22 : 796,472,638.10 = 312,845,866.16 : x
  2. Step 2: Convert to fraction form
    577,169,548.22/796,472,638.10 = 312,845,866.16/x
  3. Step 3: Cross multiply
    577,169,548.22x = 796,472,638.10 × 312,845,866.16
  4. Step 4: Simplify right side
    577,169,548.22x = 249,173,172,334,761,280
  5. Step 5: Solve for x
    x = 249,173,172,334,761,280/577,169,548.22
  6. Step 6: Final answer
    x = 431,715,729.12

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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.