Home / 761,780,200,811.56-1,051,256,848,714.30-419,224,063,790.74

Finding the Fourth Proportional to 761,780,200,811.56, 1,051,256,848,714.30 and 419,224,063,790.74

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Solution

The fourth proportional to 761,780,200,811.56, 1,051,256,848,714.30 and 419,224,063,790.74 is: 578,529,302,463.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    761,780,200,811.56 : 1,051,256,848,714.30 = 419,224,063,790.74 : x
  2. Step 2: Convert to fraction form
    761,780,200,811.56/1,051,256,848,714.30 = 419,224,063,790.74/x
  3. Step 3: Cross multiply
    761,780,200,811.56x = 1,051,256,848,714.30 × 419,224,063,790.74
  4. Step 4: Simplify right side
    761,780,200,811.56x = 440,712,168,205,856,047,890,432
  5. Step 5: Solve for x
    x = 440,712,168,205,856,047,890,432/761,780,200,811.56
  6. Step 6: Final answer
    x = 578,529,302,463.29

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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.