Home / 368,423,140.60-552,634,710.90-196,236,256.60

Finding the Fourth Proportional to 368,423,140.60, 552,634,710.90 and 196,236,256.60

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Solution

The fourth proportional to 368,423,140.60, 552,634,710.90 and 196,236,256.60 is: 294,354,384.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,423,140.60 : 552,634,710.90 = 196,236,256.60 : x
  2. Step 2: Convert to fraction form
    368,423,140.60/552,634,710.90 = 196,236,256.60/x
  3. Step 3: Cross multiply
    368,423,140.60x = 552,634,710.90 × 196,236,256.60
  4. Step 4: Simplify right side
    368,423,140.60x = 108,446,966,934,239,216
  5. Step 5: Solve for x
    x = 108,446,966,934,239,216/368,423,140.60
  6. Step 6: Final answer
    x = 294,354,384.90

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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.