Home / 661,189,503.34-991,927,744.10-201,115,715.23

Finding the Fourth Proportional to 661,189,503.34, 991,927,744.10 and 201,115,715.23

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Solution

The fourth proportional to 661,189,503.34, 991,927,744.10 and 201,115,715.23 is: 301,717,218.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    661,189,503.34 : 991,927,744.10 = 201,115,715.23 : x
  2. Step 2: Convert to fraction form
    661,189,503.34/991,927,744.10 = 201,115,715.23/x
  3. Step 3: Cross multiply
    661,189,503.34x = 991,927,744.10 × 201,115,715.23
  4. Step 4: Simplify right side
    661,189,503.34x = 199,492,257,710,146,336
  5. Step 5: Solve for x
    x = 199,492,257,710,146,336/661,189,503.34
  6. Step 6: Final answer
    x = 301,717,218.29

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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.