Home / 917,743,013,883.97-1,266,489,296,558.70-500,605,949,498.65

Finding the Fourth Proportional to 917,743,013,883.97, 1,266,489,296,558.70 and 500,605,949,498.65

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Solution

The fourth proportional to 917,743,013,883.97, 1,266,489,296,558.70 and 500,605,949,498.65 is: 690,838,358,061.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    917,743,013,883.97 : 1,266,489,296,558.70 = 500,605,949,498.65 : x
  2. Step 2: Convert to fraction form
    917,743,013,883.97/1,266,489,296,558.70 = 500,605,949,498.65/x
  3. Step 3: Cross multiply
    917,743,013,883.97x = 1,266,489,296,558.70 × 500,605,949,498.65
  4. Step 4: Simplify right side
    917,743,013,883.97x = 634,012,076,833,645,302,644,736
  5. Step 5: Solve for x
    x = 634,012,076,833,645,302,644,736/917,743,013,883.97
  6. Step 6: Final answer
    x = 690,838,358,061.10

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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.