Home / 989,607,006,817.20-1,484,410,510,225.80-393,366,874,246.20

Finding the Fourth Proportional to 989,607,006,817.20, 1,484,410,510,225.80 and 393,366,874,246.20

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Solution

The fourth proportional to 989,607,006,817.20, 1,484,410,510,225.80 and 393,366,874,246.20 is: 590,050,311,369.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    989,607,006,817.20 : 1,484,410,510,225.80 = 393,366,874,246.20 : x
  2. Step 2: Convert to fraction form
    989,607,006,817.20/1,484,410,510,225.80 = 393,366,874,246.20/x
  3. Step 3: Cross multiply
    989,607,006,817.20x = 1,484,410,510,225.80 × 393,366,874,246.20
  4. Step 4: Simplify right side
    989,607,006,817.20x = 583,917,922,505,729,874,329,600
  5. Step 5: Solve for x
    x = 583,917,922,505,729,874,329,600/989,607,006,817.20
  6. Step 6: Final answer
    x = 590,050,311,369.30

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Double scale
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Similar ratio
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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.