Home / 966,873,881.40-1,450,310,822.10-320,641,625.40

Finding the Fourth Proportional to 966,873,881.40, 1,450,310,822.10 and 320,641,625.40

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Solution

The fourth proportional to 966,873,881.40, 1,450,310,822.10 and 320,641,625.40 is: 480,962,438.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    966,873,881.40 : 1,450,310,822.10 = 320,641,625.40 : x
  2. Step 2: Convert to fraction form
    966,873,881.40/1,450,310,822.10 = 320,641,625.40/x
  3. Step 3: Cross multiply
    966,873,881.40x = 1,450,310,822.10 × 320,641,625.40
  4. Step 4: Simplify right side
    966,873,881.40x = 465,030,019,333,354,176
  5. Step 5: Solve for x
    x = 465,030,019,333,354,176/966,873,881.40
  6. Step 6: Final answer
    x = 480,962,438.10

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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.