Home / 1,159,818,009.43-1,600,886,121.87-757,992,206.20

Finding the Fourth Proportional to 1,159,818,009.43, 1,600,886,121.87 and 757,992,206.20

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Solution

The fourth proportional to 1,159,818,009.43, 1,600,886,121.87 and 757,992,206.20 is: 1,046,249,664.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,159,818,009.43 : 1,600,886,121.87 = 757,992,206.20 : x
  2. Step 2: Convert to fraction form
    1,159,818,009.43/1,600,886,121.87 = 757,992,206.20/x
  3. Step 3: Cross multiply
    1,159,818,009.43x = 1,600,886,121.87 × 757,992,206.20
  4. Step 4: Simplify right side
    1,159,818,009.43x = 1,213,459,203,391,203,328
  5. Step 5: Solve for x
    x = 1,213,459,203,391,203,328/1,159,818,009.43
  6. Step 6: Final answer
    x = 1,046,249,664.62

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.