Home / 786,590,128.20-1,179,885,192.30-241,330,787.40

Finding the Fourth Proportional to 786,590,128.20, 1,179,885,192.30 and 241,330,787.40

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Solution

The fourth proportional to 786,590,128.20, 1,179,885,192.30 and 241,330,787.40 is: 361,996,181.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    786,590,128.20 : 1,179,885,192.30 = 241,330,787.40 : x
  2. Step 2: Convert to fraction form
    786,590,128.20/1,179,885,192.30 = 241,330,787.40/x
  3. Step 3: Cross multiply
    786,590,128.20x = 1,179,885,192.30 × 241,330,787.40
  4. Step 4: Simplify right side
    786,590,128.20x = 284,742,622,499,359,424
  5. Step 5: Solve for x
    x = 284,742,622,499,359,424/786,590,128.20
  6. Step 6: Final answer
    x = 361,996,181.10

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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.