Home / 1,487,633,291.30-2,052,872,294.72-809,453,042.45

Finding the Fourth Proportional to 1,487,633,291.30, 2,052,872,294.72 and 809,453,042.45

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Solution

The fourth proportional to 1,487,633,291.30, 2,052,872,294.72 and 809,453,042.45 is: 1,117,011,654.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,487,633,291.30 : 2,052,872,294.72 = 809,453,042.45 : x
  2. Step 2: Convert to fraction form
    1,487,633,291.30/2,052,872,294.72 = 809,453,042.45/x
  3. Step 3: Cross multiply
    1,487,633,291.30x = 2,052,872,294.72 × 809,453,042.45
  4. Step 4: Simplify right side
    1,487,633,291.30x = 1,661,703,724,718,369,792
  5. Step 5: Solve for x
    x = 1,661,703,724,718,369,792/1,487,633,291.30
  6. Step 6: Final answer
    x = 1,117,011,654.98

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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.