Home / 778,133,885.76-1,073,850,218.46-425,701,700.73

Finding the Fourth Proportional to 778,133,885.76, 1,073,850,218.46 and 425,701,700.73

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Solution

The fourth proportional to 778,133,885.76, 1,073,850,218.46 and 425,701,700.73 is: 587,482,273.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    778,133,885.76 : 1,073,850,218.46 = 425,701,700.73 : x
  2. Step 2: Convert to fraction form
    778,133,885.76/1,073,850,218.46 = 425,701,700.73/x
  3. Step 3: Cross multiply
    778,133,885.76x = 1,073,850,218.46 × 425,701,700.73
  4. Step 4: Simplify right side
    778,133,885.76x = 457,139,864,327,704,064
  5. Step 5: Solve for x
    x = 457,139,864,327,704,064/778,133,885.76
  6. Step 6: Final answer
    x = 587,482,273.54

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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.