Home / 577,169,567.70-796,472,665.11-312,845,885.77

Finding the Fourth Proportional to 577,169,567.70, 796,472,665.11 and 312,845,885.77

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Solution

The fourth proportional to 577,169,567.70, 796,472,665.11 and 312,845,885.77 is: 431,715,756.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,169,567.70 : 796,472,665.11 = 312,845,885.77 : x
  2. Step 2: Convert to fraction form
    577,169,567.70/796,472,665.11 = 312,845,885.77/x
  3. Step 3: Cross multiply
    577,169,567.70x = 796,472,665.11 × 312,845,885.77
  4. Step 4: Simplify right side
    577,169,567.70x = 249,173,196,405,939,328
  5. Step 5: Solve for x
    x = 249,173,196,405,939,328/577,169,567.70
  6. Step 6: Final answer
    x = 431,715,756.25

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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.