Home / 709,893,439.82-1,064,861,852.98-243,548,322.21

Finding the Fourth Proportional to 709,893,439.82, 1,064,861,852.98 and 243,548,322.21

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Solution

The fourth proportional to 709,893,439.82, 1,064,861,852.98 and 243,548,322.21 is: 365,329,925.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    709,893,439.82 : 1,064,861,852.98 = 243,548,322.21 : x
  2. Step 2: Convert to fraction form
    709,893,439.82/1,064,861,852.98 = 243,548,322.21/x
  3. Step 3: Cross multiply
    709,893,439.82x = 1,064,861,852.98 × 243,548,322.21
  4. Step 4: Simplify right side
    709,893,439.82x = 259,345,317,678,564,576
  5. Step 5: Solve for x
    x = 259,345,317,678,564,576/709,893,439.82
  6. Step 6: Final answer
    x = 365,329,925.78

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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.