Home / 538,564,753.63-743,252,666.54-297,159,548.93

Finding the Fourth Proportional to 538,564,753.63, 743,252,666.54 and 297,159,548.93

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Solution

The fourth proportional to 538,564,753.63, 743,252,666.54 and 297,159,548.93 is: 410,098,554.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,564,753.63 : 743,252,666.54 = 297,159,548.93 : x
  2. Step 2: Convert to fraction form
    538,564,753.63/743,252,666.54 = 297,159,548.93/x
  3. Step 3: Cross multiply
    538,564,753.63x = 743,252,666.54 × 297,159,548.93
  4. Step 4: Simplify right side
    538,564,753.63x = 220,864,627,130,046,112
  5. Step 5: Solve for x
    x = 220,864,627,130,046,112/538,564,753.63
  6. Step 6: Final answer
    x = 410,098,554.80

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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.