Home / 880,032,139.20-1,318,032,669.60-448,706,750.40

Finding the Fourth Proportional to 880,032,139.20, 1,318,032,669.60 and 448,706,750.40

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Solution

The fourth proportional to 880,032,139.20, 1,318,032,669.60 and 448,706,750.40 is: 672,032,451.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,032,139.20 : 1,318,032,669.60 = 448,706,750.40 : x
  2. Step 2: Convert to fraction form
    880,032,139.20/1,318,032,669.60 = 448,706,750.40/x
  3. Step 3: Cross multiply
    880,032,139.20x = 1,318,032,669.60 × 448,706,750.40
  4. Step 4: Simplify right side
    880,032,139.20x = 591,410,156,097,252,736
  5. Step 5: Solve for x
    x = 591,410,156,097,252,736/880,032,139.20
  6. Step 6: Final answer
    x = 672,032,451.72

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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.