Home / 917,743,013,877.90-1,266,489,296,550.20-500,605,949,492.58

Finding the Fourth Proportional to 917,743,013,877.90, 1,266,489,296,550.20 and 500,605,949,492.58

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Solution

The fourth proportional to 917,743,013,877.90, 1,266,489,296,550.20 and 500,605,949,492.58 is: 690,838,358,052.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    917,743,013,877.90 : 1,266,489,296,550.20 = 500,605,949,492.58 : x
  2. Step 2: Convert to fraction form
    917,743,013,877.90/1,266,489,296,550.20 = 500,605,949,492.58/x
  3. Step 3: Cross multiply
    917,743,013,877.90x = 1,266,489,296,550.20 × 500,605,949,492.58
  4. Step 4: Simplify right side
    917,743,013,877.90x = 634,012,076,821,702,609,207,296
  5. Step 5: Solve for x
    x = 634,012,076,821,702,609,207,296/917,743,013,877.90
  6. Step 6: Final answer
    x = 690,838,358,052.65

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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.