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Finding the Fourth Proportional to 356,563,967.60, 534,845,951.40 and 97,805,344.70

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Solution

The fourth proportional to 356,563,967.60, 534,845,951.40 and 97,805,344.70 is: 146,708,017.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,563,967.60 : 534,845,951.40 = 97,805,344.70 : x
  2. Step 2: Convert to fraction form
    356,563,967.60/534,845,951.40 = 97,805,344.70/x
  3. Step 3: Cross multiply
    356,563,967.60x = 534,845,951.40 × 97,805,344.70
  4. Step 4: Simplify right side
    356,563,967.60x = 52,310,792,638,076,448
  5. Step 5: Solve for x
    x = 52,310,792,638,076,448/356,563,967.60
  6. Step 6: Final answer
    x = 146,708,017.05

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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.