Home / 672,211,516.10-1,008,317,274.15-611,946,106.70

Finding the Fourth Proportional to 672,211,516.10, 1,008,317,274.15 and 611,946,106.70

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Solution

The fourth proportional to 672,211,516.10, 1,008,317,274.15 and 611,946,106.70 is: 917,919,160.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,211,516.10 : 1,008,317,274.15 = 611,946,106.70 : x
  2. Step 2: Convert to fraction form
    672,211,516.10/1,008,317,274.15 = 611,946,106.70/x
  3. Step 3: Cross multiply
    672,211,516.10x = 1,008,317,274.15 × 611,946,106.70
  4. Step 4: Simplify right side
    672,211,516.10x = 617,035,830,234,449,024
  5. Step 5: Solve for x
    x = 617,035,830,234,449,024/672,211,516.10
  6. Step 6: Final answer
    x = 917,919,160.05

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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.