Home / 278,940,598.24-384,941,508.16-153,507,225.28

Finding the Fourth Proportional to 278,940,598.24, 384,941,508.16 and 153,507,225.28

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Solution

The fourth proportional to 278,940,598.24, 384,941,508.16 and 153,507,225.28 is: 211,841,887.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,940,598.24 : 384,941,508.16 = 153,507,225.28 : x
  2. Step 2: Convert to fraction form
    278,940,598.24/384,941,508.16 = 153,507,225.28/x
  3. Step 3: Cross multiply
    278,940,598.24x = 384,941,508.16 × 153,507,225.28
  4. Step 4: Simplify right side
    278,940,598.24x = 59,091,302,812,740,080
  5. Step 5: Solve for x
    x = 59,091,302,812,740,080/278,940,598.24
  6. Step 6: Final answer
    x = 211,841,887.43

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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.