Home / 747,340,434.70-1,121,010,652.05-255,890,369.95

Finding the Fourth Proportional to 747,340,434.70, 1,121,010,652.05 and 255,890,369.95

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Solution

The fourth proportional to 747,340,434.70, 1,121,010,652.05 and 255,890,369.95 is: 383,835,554.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,340,434.70 : 1,121,010,652.05 = 255,890,369.95 : x
  2. Step 2: Convert to fraction form
    747,340,434.70/1,121,010,652.05 = 255,890,369.95/x
  3. Step 3: Cross multiply
    747,340,434.70x = 1,121,010,652.05 × 255,890,369.95
  4. Step 4: Simplify right side
    747,340,434.70x = 286,855,830,470,965,216
  5. Step 5: Solve for x
    x = 286,855,830,470,965,216/747,340,434.70
  6. Step 6: Final answer
    x = 383,835,554.93

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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.