Home / 761,780,200,785.42-1,051,256,848,678.20-419,224,063,764.44

Finding the Fourth Proportional to 761,780,200,785.42, 1,051,256,848,678.20 and 419,224,063,764.44

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Solution

The fourth proportional to 761,780,200,785.42, 1,051,256,848,678.20 and 419,224,063,764.44 is: 578,529,302,426.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    761,780,200,785.42 : 1,051,256,848,678.20 = 419,224,063,764.44 : x
  2. Step 2: Convert to fraction form
    761,780,200,785.42/1,051,256,848,678.20 = 419,224,063,764.44/x
  3. Step 3: Cross multiply
    761,780,200,785.42x = 1,051,256,848,678.20 × 419,224,063,764.44
  4. Step 4: Simplify right side
    761,780,200,785.42x = 440,712,168,163,073,945,763,840
  5. Step 5: Solve for x
    x = 440,712,168,163,073,945,763,840/761,780,200,785.42
  6. Step 6: Final answer
    x = 578,529,302,426.98

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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.