Home / 768,477,672.90-1,152,716,675.66-277,190,901.88

Finding the Fourth Proportional to 768,477,672.90, 1,152,716,675.66 and 277,190,901.88

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Solution

The fourth proportional to 768,477,672.90, 1,152,716,675.66 and 277,190,901.88 is: 415,786,412.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    768,477,672.90 : 1,152,716,675.66 = 277,190,901.88 : x
  2. Step 2: Convert to fraction form
    768,477,672.90/1,152,716,675.66 = 277,190,901.88/x
  3. Step 3: Cross multiply
    768,477,672.90x = 1,152,716,675.66 × 277,190,901.88
  4. Step 4: Simplify right side
    768,477,672.90x = 319,522,574,938,310,848
  5. Step 5: Solve for x
    x = 319,522,574,938,310,848/768,477,672.90
  6. Step 6: Final answer
    x = 415,786,412.81

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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.