Home / 1,686,059,509.76-2,326,789,673.92-923,090,852.16

Finding the Fourth Proportional to 1,686,059,509.76, 2,326,789,673.92 and 923,090,852.16

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Solution

The fourth proportional to 1,686,059,509.76, 2,326,789,673.92 and 923,090,852.16 is: 1,273,880,459.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,686,059,509.76 : 2,326,789,673.92 = 923,090,852.16 : x
  2. Step 2: Convert to fraction form
    1,686,059,509.76/2,326,789,673.92 = 923,090,852.16/x
  3. Step 3: Cross multiply
    1,686,059,509.76x = 2,326,789,673.92 × 923,090,852.16
  4. Step 4: Simplify right side
    1,686,059,509.76x = 2,147,838,262,895,901,440
  5. Step 5: Solve for x
    x = 2,147,838,262,895,901,440/1,686,059,509.76
  6. Step 6: Final answer
    x = 1,273,880,459.42

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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.