Home / 672,211,522.10-1,008,317,283.15-611,946,112.70

Finding the Fourth Proportional to 672,211,522.10, 1,008,317,283.15 and 611,946,112.70

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Solution

The fourth proportional to 672,211,522.10, 1,008,317,283.15 and 611,946,112.70 is: 917,919,169.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,211,522.10 : 1,008,317,283.15 = 611,946,112.70 : x
  2. Step 2: Convert to fraction form
    672,211,522.10/1,008,317,283.15 = 611,946,112.70/x
  3. Step 3: Cross multiply
    672,211,522.10x = 1,008,317,283.15 × 611,946,112.70
  4. Step 4: Simplify right side
    672,211,522.10x = 617,035,841,791,867,776
  5. Step 5: Solve for x
    x = 617,035,841,791,867,776/672,211,522.10
  6. Step 6: Final answer
    x = 917,919,169.05

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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.