Home / 673,953,996.60-1,010,930,994.90-329,128,831.80

Finding the Fourth Proportional to 673,953,996.60, 1,010,930,994.90 and 329,128,831.80

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Solution

The fourth proportional to 673,953,996.60, 1,010,930,994.90 and 329,128,831.80 is: 493,693,247.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,953,996.60 : 1,010,930,994.90 = 329,128,831.80 : x
  2. Step 2: Convert to fraction form
    673,953,996.60/1,010,930,994.90 = 329,128,831.80/x
  3. Step 3: Cross multiply
    673,953,996.60x = 1,010,930,994.90 × 329,128,831.80
  4. Step 4: Simplify right side
    673,953,996.60x = 332,726,537,381,848,768
  5. Step 5: Solve for x
    x = 332,726,537,381,848,768/673,953,996.60
  6. Step 6: Final answer
    x = 493,693,247.70

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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.