Home / 767,701,168.11-1,059,426,887.90-415,276,345.71

Finding the Fourth Proportional to 767,701,168.11, 1,059,426,887.90 and 415,276,345.71

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Solution

The fourth proportional to 767,701,168.11, 1,059,426,887.90 and 415,276,345.71 is: 573,080,965.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    767,701,168.11 : 1,059,426,887.90 = 415,276,345.71 : x
  2. Step 2: Convert to fraction form
    767,701,168.11/1,059,426,887.90 = 415,276,345.71/x
  3. Step 3: Cross multiply
    767,701,168.11x = 1,059,426,887.90 × 415,276,345.71
  4. Step 4: Simplify right side
    767,701,168.11x = 439,954,926,551,953,408
  5. Step 5: Solve for x
    x = 439,954,926,551,953,408/767,701,168.11
  6. Step 6: Final answer
    x = 573,080,965.39

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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.