Home / 452,009,019,911.20-677,778,104,663.04-213,179,543,127.52

Finding the Fourth Proportional to 452,009,019,911.20, 677,778,104,663.04 and 213,179,543,127.52

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Solution

The fourth proportional to 452,009,019,911.20, 677,778,104,663.04 and 213,179,543,127.52 is: 319,658,281,868.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,009,019,911.20 : 677,778,104,663.04 = 213,179,543,127.52 : x
  2. Step 2: Convert to fraction form
    452,009,019,911.20/677,778,104,663.04 = 213,179,543,127.52/x
  3. Step 3: Cross multiply
    452,009,019,911.20x = 677,778,104,663.04 × 213,179,543,127.52
  4. Step 4: Simplify right side
    452,009,019,911.20x = 144,488,426,693,903,305,932,800
  5. Step 5: Solve for x
    x = 144,488,426,693,903,305,932,800/452,009,019,911.20
  6. Step 6: Final answer
    x = 319,658,281,868.55

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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.