Home / 354,310,695.40-531,466,043.10-262,477,690.60

Finding the Fourth Proportional to 354,310,695.40, 531,466,043.10 and 262,477,690.60

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Solution

The fourth proportional to 354,310,695.40, 531,466,043.10 and 262,477,690.60 is: 393,716,535.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,310,695.40 : 531,466,043.10 = 262,477,690.60 : x
  2. Step 2: Convert to fraction form
    354,310,695.40/531,466,043.10 = 262,477,690.60/x
  3. Step 3: Cross multiply
    354,310,695.40x = 531,466,043.10 × 262,477,690.60
  4. Step 4: Simplify right side
    354,310,695.40x = 139,497,979,625,208,064
  5. Step 5: Solve for x
    x = 139,497,979,625,208,064/354,310,695.40
  6. Step 6: Final answer
    x = 393,716,535.90

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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.