Home / 807,444,872.40-1,211,167,308.60-603,371,528.40

Finding the Fourth Proportional to 807,444,872.40, 1,211,167,308.60 and 603,371,528.40

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Solution

The fourth proportional to 807,444,872.40, 1,211,167,308.60 and 603,371,528.40 is: 905,057,292.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,444,872.40 : 1,211,167,308.60 = 603,371,528.40 : x
  2. Step 2: Convert to fraction form
    807,444,872.40/1,211,167,308.60 = 603,371,528.40/x
  3. Step 3: Cross multiply
    807,444,872.40x = 1,211,167,308.60 × 603,371,528.40
  4. Step 4: Simplify right side
    807,444,872.40x = 730,783,870,138,096,384
  5. Step 5: Solve for x
    x = 730,783,870,138,096,384/807,444,872.40
  6. Step 6: Final answer
    x = 905,057,292.60

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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.