Home / 776,156,729.60-1,162,534,483.20-689,992,428.80

Finding the Fourth Proportional to 776,156,729.60, 1,162,534,483.20 and 689,992,428.80

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Solution

The fourth proportional to 776,156,729.60, 1,162,534,483.20 and 689,992,428.80 is: 1,033,476,823.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    776,156,729.60 : 1,162,534,483.20 = 689,992,428.80 : x
  2. Step 2: Convert to fraction form
    776,156,729.60/1,162,534,483.20 = 689,992,428.80/x
  3. Step 3: Cross multiply
    776,156,729.60x = 1,162,534,483.20 × 689,992,428.80
  4. Step 4: Simplify right side
    776,156,729.60x = 802,139,991,626,920,832
  5. Step 5: Solve for x
    x = 802,139,991,626,920,832/776,156,729.60
  6. Step 6: Final answer
    x = 1,033,476,823.73

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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.