Home / 1,112,777,921.60-1,669,166,882.40-698,920,539.20

Finding the Fourth Proportional to 1,112,777,921.60, 1,669,166,882.40 and 698,920,539.20

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Solution

The fourth proportional to 1,112,777,921.60, 1,669,166,882.40 and 698,920,539.20 is: 1,048,380,808.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,112,777,921.60 : 1,669,166,882.40 = 698,920,539.20 : x
  2. Step 2: Convert to fraction form
    1,112,777,921.60/1,669,166,882.40 = 698,920,539.20/x
  3. Step 3: Cross multiply
    1,112,777,921.60x = 1,669,166,882.40 × 698,920,539.20
  4. Step 4: Simplify right side
    1,112,777,921.60x = 1,166,615,017,461,791,232
  5. Step 5: Solve for x
    x = 1,166,615,017,461,791,232/1,112,777,921.60
  6. Step 6: Final answer
    x = 1,048,380,808.80

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Double scale
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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.