Home / 672,211,535.10-1,008,317,302.65-611,946,125.70

Finding the Fourth Proportional to 672,211,535.10, 1,008,317,302.65 and 611,946,125.70

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Solution

The fourth proportional to 672,211,535.10, 1,008,317,302.65 and 611,946,125.70 is: 917,919,188.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,211,535.10 : 1,008,317,302.65 = 611,946,125.70 : x
  2. Step 2: Convert to fraction form
    672,211,535.10/1,008,317,302.65 = 611,946,125.70/x
  3. Step 3: Cross multiply
    672,211,535.10x = 1,008,317,302.65 × 611,946,125.70
  4. Step 4: Simplify right side
    672,211,535.10x = 617,035,866,832,941,824
  5. Step 5: Solve for x
    x = 617,035,866,832,941,824/672,211,535.10
  6. Step 6: Final answer
    x = 917,919,188.55

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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.