Home / 917,743,013,873.55-1,266,489,296,544.40-500,605,949,488.27

Finding the Fourth Proportional to 917,743,013,873.55, 1,266,489,296,544.40 and 500,605,949,488.27

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Solution

The fourth proportional to 917,743,013,873.55, 1,266,489,296,544.40 and 500,605,949,488.27 is: 690,838,358,046.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    917,743,013,873.55 : 1,266,489,296,544.40 = 500,605,949,488.27 : x
  2. Step 2: Convert to fraction form
    917,743,013,873.55/1,266,489,296,544.40 = 500,605,949,488.27/x
  3. Step 3: Cross multiply
    917,743,013,873.55x = 1,266,489,296,544.40 × 500,605,949,488.27
  4. Step 4: Simplify right side
    917,743,013,873.55x = 634,012,076,813,340,442,099,712
  5. Step 5: Solve for x
    x = 634,012,076,813,340,442,099,712/917,743,013,873.55
  6. Step 6: Final answer
    x = 690,838,358,046.82

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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.