Home / 776,484,748.86-1,164,751,038.18-339,560,530.74

Finding the Fourth Proportional to 776,484,748.86, 1,164,751,038.18 and 339,560,530.74

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Solution

The fourth proportional to 776,484,748.86, 1,164,751,038.18 and 339,560,530.74 is: 509,351,254.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    776,484,748.86 : 1,164,751,038.18 = 339,560,530.74 : x
  2. Step 2: Convert to fraction form
    776,484,748.86/1,164,751,038.18 = 339,560,530.74/x
  3. Step 3: Cross multiply
    776,484,748.86x = 1,164,751,038.18 × 339,560,530.74
  4. Step 4: Simplify right side
    776,484,748.86x = 395,503,480,704,366,848
  5. Step 5: Solve for x
    x = 395,503,480,704,366,848/776,484,748.86
  6. Step 6: Final answer
    x = 509,351,254.21

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.