Home / 669,384,007.40-1,004,076,011.10-465,310,663.40

Finding the Fourth Proportional to 669,384,007.40, 1,004,076,011.10 and 465,310,663.40

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Solution

The fourth proportional to 669,384,007.40, 1,004,076,011.10 and 465,310,663.40 is: 697,965,995.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,384,007.40 : 1,004,076,011.10 = 465,310,663.40 : x
  2. Step 2: Convert to fraction form
    669,384,007.40/1,004,076,011.10 = 465,310,663.40/x
  3. Step 3: Cross multiply
    669,384,007.40x = 1,004,076,011.10 × 465,310,663.40
  4. Step 4: Simplify right side
    669,384,007.40x = 467,207,274,828,966,720
  5. Step 5: Solve for x
    x = 467,207,274,828,966,720/669,384,007.40
  6. Step 6: Final answer
    x = 697,965,995.10

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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.