Home / 661,494,899.14-912,854,050.17-368,139,389.38

Finding the Fourth Proportional to 661,494,899.14, 912,854,050.17 and 368,139,389.38

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Solution

The fourth proportional to 661,494,899.14, 912,854,050.17 and 368,139,389.38 is: 508,027,398.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    661,494,899.14 : 912,854,050.17 = 368,139,389.38 : x
  2. Step 2: Convert to fraction form
    661,494,899.14/912,854,050.17 = 368,139,389.38/x
  3. Step 3: Cross multiply
    661,494,899.14x = 912,854,050.17 × 368,139,389.38
  4. Step 4: Simplify right side
    661,494,899.14x = 336,057,532,622,643,648
  5. Step 5: Solve for x
    x = 336,057,532,622,643,648/661,494,899.14
  6. Step 6: Final answer
    x = 508,027,398.34

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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.