Home / 1,213,056,611.10-1,819,584,916.65-971,191,907.10

Finding the Fourth Proportional to 1,213,056,611.10, 1,819,584,916.65 and 971,191,907.10

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Solution

The fourth proportional to 1,213,056,611.10, 1,819,584,916.65 and 971,191,907.10 is: 1,456,787,860.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,213,056,611.10 : 1,819,584,916.65 = 971,191,907.10 : x
  2. Step 2: Convert to fraction form
    1,213,056,611.10/1,819,584,916.65 = 971,191,907.10/x
  3. Step 3: Cross multiply
    1,213,056,611.10x = 1,819,584,916.65 × 971,191,907.10
  4. Step 4: Simplify right side
    1,213,056,611.10x = 1,767,166,145,331,708,160
  5. Step 5: Solve for x
    x = 1,767,166,145,331,708,160/1,213,056,611.10
  6. Step 6: Final answer
    x = 1,456,787,860.65

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Double scale
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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.