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Finding the Fourth Proportional to 531,442,368.60, 797,163,552.90 and 446,789,722.20

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Solution

The fourth proportional to 531,442,368.60, 797,163,552.90 and 446,789,722.20 is: 670,184,583.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,442,368.60 : 797,163,552.90 = 446,789,722.20 : x
  2. Step 2: Convert to fraction form
    531,442,368.60/797,163,552.90 = 446,789,722.20/x
  3. Step 3: Cross multiply
    531,442,368.60x = 797,163,552.90 × 446,789,722.20
  4. Step 4: Simplify right side
    531,442,368.60x = 356,164,482,348,155,968
  5. Step 5: Solve for x
    x = 356,164,482,348,155,968/531,442,368.60
  6. Step 6: Final answer
    x = 670,184,583.30

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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.