Home / 1,153,429,491.21-1,591,740,340.50-624,793,477.28

Finding the Fourth Proportional to 1,153,429,491.21, 1,591,740,340.50 and 624,793,477.28

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Solution

The fourth proportional to 1,153,429,491.21, 1,591,740,340.50 and 624,793,477.28 is: 862,219,138.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,153,429,491.21 : 1,591,740,340.50 = 624,793,477.28 : x
  2. Step 2: Convert to fraction form
    1,153,429,491.21/1,591,740,340.50 = 624,793,477.28/x
  3. Step 3: Cross multiply
    1,153,429,491.21x = 1,591,740,340.50 × 624,793,477.28
  4. Step 4: Simplify right side
    1,153,429,491.21x = 994,508,982,259,887,488
  5. Step 5: Solve for x
    x = 994,508,982,259,887,488/1,153,429,491.21
  6. Step 6: Final answer
    x = 862,219,138.52

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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.