Home / 1,096,365,529.60-1,513,346,234.88-980,139,397.60

Finding the Fourth Proportional to 1,096,365,529.60, 1,513,346,234.88 and 980,139,397.60

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Solution

The fourth proportional to 1,096,365,529.60, 1,513,346,234.88 and 980,139,397.60 is: 1,352,915,817.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,096,365,529.60 : 1,513,346,234.88 = 980,139,397.60 : x
  2. Step 2: Convert to fraction form
    1,096,365,529.60/1,513,346,234.88 = 980,139,397.60/x
  3. Step 3: Cross multiply
    1,096,365,529.60x = 1,513,346,234.88 × 980,139,397.60
  4. Step 4: Simplify right side
    1,096,365,529.60x = 1,483,290,267,015,511,552
  5. Step 5: Solve for x
    x = 1,483,290,267,015,511,552/1,096,365,529.60
  6. Step 6: Final answer
    x = 1,352,915,817.74

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.