Home / 777,484,640.10-1,166,226,960.15-755,961,279.60

Finding the Fourth Proportional to 777,484,640.10, 1,166,226,960.15 and 755,961,279.60

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Solution

The fourth proportional to 777,484,640.10, 1,166,226,960.15 and 755,961,279.60 is: 1,133,941,919.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    777,484,640.10 : 1,166,226,960.15 = 755,961,279.60 : x
  2. Step 2: Convert to fraction form
    777,484,640.10/1,166,226,960.15 = 755,961,279.60/x
  3. Step 3: Cross multiply
    777,484,640.10x = 1,166,226,960.15 × 755,961,279.60
  4. Step 4: Simplify right side
    777,484,640.10x = 881,622,425,099,012,352
  5. Step 5: Solve for x
    x = 881,622,425,099,012,352/777,484,640.10
  6. Step 6: Final answer
    x = 1,133,941,919.40

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1.5x scale

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.