Home / 554,124,468.96-764,692,662.96-306,616,255.20

Finding the Fourth Proportional to 554,124,468.96, 764,692,662.96 and 306,616,255.20

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Solution

The fourth proportional to 554,124,468.96, 764,692,662.96 and 306,616,255.20 is: 423,130,927.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,124,468.96 : 764,692,662.96 = 306,616,255.20 : x
  2. Step 2: Convert to fraction form
    554,124,468.96/764,692,662.96 = 306,616,255.20/x
  3. Step 3: Cross multiply
    554,124,468.96x = 764,692,662.96 × 306,616,255.20
  4. Step 4: Simplify right side
    554,124,468.96x = 234,467,200,695,710,944
  5. Step 5: Solve for x
    x = 234,467,200,695,710,944/554,124,468.96
  6. Step 6: Final answer
    x = 423,130,927.85

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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.