Home / 1,380,096,836.20-2,070,145,254.30-829,098,807.40

Finding the Fourth Proportional to 1,380,096,836.20, 2,070,145,254.30 and 829,098,807.40

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Solution

The fourth proportional to 1,380,096,836.20, 2,070,145,254.30 and 829,098,807.40 is: 1,243,648,211.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,380,096,836.20 : 2,070,145,254.30 = 829,098,807.40 : x
  2. Step 2: Convert to fraction form
    1,380,096,836.20/2,070,145,254.30 = 829,098,807.40/x
  3. Step 3: Cross multiply
    1,380,096,836.20x = 2,070,145,254.30 × 829,098,807.40
  4. Step 4: Simplify right side
    1,380,096,836.20x = 1,716,354,961,484,899,584
  5. Step 5: Solve for x
    x = 1,716,354,961,484,899,584/1,380,096,836.20
  6. Step 6: Final answer
    x = 1,243,648,211.10

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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.