Home / 1,259,713,337.80-1,889,570,006.70-996,685,472.20

Finding the Fourth Proportional to 1,259,713,337.80, 1,889,570,006.70 and 996,685,472.20

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Solution

The fourth proportional to 1,259,713,337.80, 1,889,570,006.70 and 996,685,472.20 is: 1,495,028,208.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,259,713,337.80 : 1,889,570,006.70 = 996,685,472.20 : x
  2. Step 2: Convert to fraction form
    1,259,713,337.80/1,889,570,006.70 = 996,685,472.20/x
  3. Step 3: Cross multiply
    1,259,713,337.80x = 1,889,570,006.70 × 996,685,472.20
  4. Step 4: Simplify right side
    1,259,713,337.80x = 1,883,306,974,382,746,880
  5. Step 5: Solve for x
    x = 1,883,306,974,382,746,880/1,259,713,337.80
  6. Step 6: Final answer
    x = 1,495,028,208.30

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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.