Home / 657,492,175.91-907,429,472.22-403,128,536.39

Finding the Fourth Proportional to 657,492,175.91, 907,429,472.22 and 403,128,536.39

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Solution

The fourth proportional to 657,492,175.91, 907,429,472.22 and 403,128,536.39 is: 556,372,727.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,492,175.91 : 907,429,472.22 = 403,128,536.39 : x
  2. Step 2: Convert to fraction form
    657,492,175.91/907,429,472.22 = 403,128,536.39/x
  3. Step 3: Cross multiply
    657,492,175.91x = 907,429,472.22 × 403,128,536.39
  4. Step 4: Simplify right side
    657,492,175.91x = 365,810,715,013,198,784
  5. Step 5: Solve for x
    x = 365,810,715,013,198,784/657,492,175.91
  6. Step 6: Final answer
    x = 556,372,727.18

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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.