Home / 632,308,989.77-872,677,678.65-364,333,498.68

Finding the Fourth Proportional to 632,308,989.77, 872,677,678.65 and 364,333,498.68

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Solution

The fourth proportional to 632,308,989.77, 872,677,678.65 and 364,333,498.68 is: 502,832,819.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    632,308,989.77 : 872,677,678.65 = 364,333,498.68 : x
  2. Step 2: Convert to fraction form
    632,308,989.77/872,677,678.65 = 364,333,498.68/x
  3. Step 3: Cross multiply
    632,308,989.77x = 872,677,678.65 × 364,333,498.68
  4. Step 4: Simplify right side
    632,308,989.77x = 317,945,711,879,234,752
  5. Step 5: Solve for x
    x = 317,945,711,879,234,752/632,308,989.77
  6. Step 6: Final answer
    x = 502,832,819.11

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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.