Home / 1,119,745,397.60-1,679,618,096.40-770,553,231.20

Finding the Fourth Proportional to 1,119,745,397.60, 1,679,618,096.40 and 770,553,231.20

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Solution

The fourth proportional to 1,119,745,397.60, 1,679,618,096.40 and 770,553,231.20 is: 1,155,829,846.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,119,745,397.60 : 1,679,618,096.40 = 770,553,231.20 : x
  2. Step 2: Convert to fraction form
    1,119,745,397.60/1,679,618,096.40 = 770,553,231.20/x
  3. Step 3: Cross multiply
    1,119,745,397.60x = 1,679,618,096.40 × 770,553,231.20
  4. Step 4: Simplify right side
    1,119,745,397.60x = 1,294,235,151,363,013,120
  5. Step 5: Solve for x
    x = 1,294,235,151,363,013,120/1,119,745,397.60
  6. Step 6: Final answer
    x = 1,155,829,846.80

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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.