Home / 1,311,056,688.40-1,966,585,032.60-897,808,166.80

Finding the Fourth Proportional to 1,311,056,688.40, 1,966,585,032.60 and 897,808,166.80

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Solution

The fourth proportional to 1,311,056,688.40, 1,966,585,032.60 and 897,808,166.80 is: 1,346,712,250.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,311,056,688.40 : 1,966,585,032.60 = 897,808,166.80 : x
  2. Step 2: Convert to fraction form
    1,311,056,688.40/1,966,585,032.60 = 897,808,166.80/x
  3. Step 3: Cross multiply
    1,311,056,688.40x = 1,966,585,032.60 × 897,808,166.80
  4. Step 4: Simplify right side
    1,311,056,688.40x = 1,765,616,102,974,924,032
  5. Step 5: Solve for x
    x = 1,765,616,102,974,924,032/1,311,056,688.40
  6. Step 6: Final answer
    x = 1,346,712,250.20

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Double scale
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Similar ratio
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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.