Home / 462,496,012.11-638,284,855.04-253,692,511.21

Finding the Fourth Proportional to 462,496,012.11, 638,284,855.04 and 253,692,511.21

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Solution

The fourth proportional to 462,496,012.11, 638,284,855.04 and 253,692,511.21 is: 350,117,803.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    462,496,012.11 : 638,284,855.04 = 253,692,511.21 : x
  2. Step 2: Convert to fraction form
    462,496,012.11/638,284,855.04 = 253,692,511.21/x
  3. Step 3: Cross multiply
    462,496,012.11x = 638,284,855.04 × 253,692,511.21
  4. Step 4: Simplify right side
    462,496,012.11x = 161,928,087,742,893,024
  5. Step 5: Solve for x
    x = 161,928,087,742,893,024/462,496,012.11
  6. Step 6: Final answer
    x = 350,117,803.19

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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.