Home / 768,077,714.64-1,059,949,884.36-415,653,611.76

Finding the Fourth Proportional to 768,077,714.64, 1,059,949,884.36 and 415,653,611.76

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Solution

The fourth proportional to 768,077,714.64, 1,059,949,884.36 and 415,653,611.76 is: 573,603,411.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    768,077,714.64 : 1,059,949,884.36 = 415,653,611.76 : x
  2. Step 2: Convert to fraction form
    768,077,714.64/1,059,949,884.36 = 415,653,611.76/x
  3. Step 3: Cross multiply
    768,077,714.64x = 1,059,949,884.36 × 415,653,611.76
  4. Step 4: Simplify right side
    768,077,714.64x = 440,571,997,718,828,352
  5. Step 5: Solve for x
    x = 440,571,997,718,828,352/768,077,714.64
  6. Step 6: Final answer
    x = 573,603,411.90

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.