Home / 696,973,516.47-961,788,855.96-383,701,004.37

Finding the Fourth Proportional to 696,973,516.47, 961,788,855.96 and 383,701,004.37

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Solution

The fourth proportional to 696,973,516.47, 961,788,855.96 and 383,701,004.37 is: 529,488,339.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    696,973,516.47 : 961,788,855.96 = 383,701,004.37 : x
  2. Step 2: Convert to fraction form
    696,973,516.47/961,788,855.96 = 383,701,004.37/x
  3. Step 3: Cross multiply
    696,973,516.47x = 961,788,855.96 × 383,701,004.37
  4. Step 4: Simplify right side
    696,973,516.47x = 369,039,350,023,725,248
  5. Step 5: Solve for x
    x = 369,039,350,023,725,248/696,973,516.47
  6. Step 6: Final answer
    x = 529,488,339.66

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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.