Home / 536,018,043.47-739,727,138.48-297,862,338.38

Finding the Fourth Proportional to 536,018,043.47, 739,727,138.48 and 297,862,338.38

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Solution

The fourth proportional to 536,018,043.47, 739,727,138.48 and 297,862,338.38 is: 411,062,384.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,018,043.47 : 739,727,138.48 = 297,862,338.38 : x
  2. Step 2: Convert to fraction form
    536,018,043.47/739,727,138.48 = 297,862,338.38/x
  3. Step 3: Cross multiply
    536,018,043.47x = 739,727,138.48 × 297,862,338.38
  4. Step 4: Simplify right side
    536,018,043.47x = 220,336,855,225,610,944
  5. Step 5: Solve for x
    x = 220,336,855,225,610,944/536,018,043.47
  6. Step 6: Final answer
    x = 411,062,384.77

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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.