Home / 611,932,464.24-918,078,127.56-197,400,980.40

Finding the Fourth Proportional to 611,932,464.24, 918,078,127.56 and 197,400,980.40

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Solution

The fourth proportional to 611,932,464.24, 918,078,127.56 and 197,400,980.40 is: 296,159,352.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    611,932,464.24 : 918,078,127.56 = 197,400,980.40 : x
  2. Step 2: Convert to fraction form
    611,932,464.24/918,078,127.56 = 197,400,980.40/x
  3. Step 3: Cross multiply
    611,932,464.24x = 918,078,127.56 × 197,400,980.40
  4. Step 4: Simplify right side
    611,932,464.24x = 181,229,522,464,140,256
  5. Step 5: Solve for x
    x = 181,229,522,464,140,256/611,932,464.24
  6. Step 6: Final answer
    x = 296,159,352.63

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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.