Home / 657,098,616,279.40-906,801,414,721.25-364,128,432,818.64

Finding the Fourth Proportional to 657,098,616,279.40, 906,801,414,721.25 and 364,128,432,818.64

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Solution

The fourth proportional to 657,098,616,279.40, 906,801,414,721.25 and 364,128,432,818.64 is: 502,500,187,703.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,098,616,279.40 : 906,801,414,721.25 = 364,128,432,818.64 : x
  2. Step 2: Convert to fraction form
    657,098,616,279.40/906,801,414,721.25 = 364,128,432,818.64/x
  3. Step 3: Cross multiply
    657,098,616,279.40x = 906,801,414,721.25 × 364,128,432,818.64
  4. Step 4: Simplify right side
    657,098,616,279.40x = 330,192,178,020,174,413,168,640
  5. Step 5: Solve for x
    x = 330,192,178,020,174,413,168,640/657,098,616,279.40
  6. Step 6: Final answer
    x = 502,500,187,703.60

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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.