Home / 450,843,662.07-675,793,543.68-188,678,428.38

Finding the Fourth Proportional to 450,843,662.07, 675,793,543.68 and 188,678,428.38

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Solution

The fourth proportional to 450,843,662.07, 675,793,543.68 and 188,678,428.38 is: 282,820,131.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,843,662.07 : 675,793,543.68 = 188,678,428.38 : x
  2. Step 2: Convert to fraction form
    450,843,662.07/675,793,543.68 = 188,678,428.38/x
  3. Step 3: Cross multiply
    450,843,662.07x = 675,793,543.68 × 188,678,428.38
  4. Step 4: Simplify right side
    450,843,662.07x = 127,507,663,730,893,264
  5. Step 5: Solve for x
    x = 127,507,663,730,893,264/450,843,662.07
  6. Step 6: Final answer
    x = 282,820,131.36

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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.