Home / 654,940,909.80-982,411,364.70-310,567,141.80

Finding the Fourth Proportional to 654,940,909.80, 982,411,364.70 and 310,567,141.80

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Solution

The fourth proportional to 654,940,909.80, 982,411,364.70 and 310,567,141.80 is: 465,850,712.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,940,909.80 : 982,411,364.70 = 310,567,141.80 : x
  2. Step 2: Convert to fraction form
    654,940,909.80/982,411,364.70 = 310,567,141.80/x
  3. Step 3: Cross multiply
    654,940,909.80x = 982,411,364.70 × 310,567,141.80
  4. Step 4: Simplify right side
    654,940,909.80x = 305,104,689,606,716,416
  5. Step 5: Solve for x
    x = 305,104,689,606,716,416/654,940,909.80
  6. Step 6: Final answer
    x = 465,850,712.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.