Home / 651,780,863.64-899,430,222.81-369,542,296.44

Finding the Fourth Proportional to 651,780,863.64, 899,430,222.81 and 369,542,296.44

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Solution

The fourth proportional to 651,780,863.64, 899,430,222.81 and 369,542,296.44 is: 509,952,851.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,780,863.64 : 899,430,222.81 = 369,542,296.44 : x
  2. Step 2: Convert to fraction form
    651,780,863.64/899,430,222.81 = 369,542,296.44/x
  3. Step 3: Cross multiply
    651,780,863.64x = 899,430,222.81 × 369,542,296.44
  4. Step 4: Simplify right side
    651,780,863.64x = 332,377,510,024,748,224
  5. Step 5: Solve for x
    x = 332,377,510,024,748,224/651,780,863.64
  6. Step 6: Final answer
    x = 509,952,851.59

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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.