Home / 531,078,901,897.90-732,891,092,729.05-287,208,370,757.70

Finding the Fourth Proportional to 531,078,901,897.90, 732,891,092,729.05 and 287,208,370,757.70

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Solution

The fourth proportional to 531,078,901,897.90, 732,891,092,729.05 and 287,208,370,757.70 is: 396,348,745,795.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,078,901,897.90 : 732,891,092,729.05 = 287,208,370,757.70 : x
  2. Step 2: Convert to fraction form
    531,078,901,897.90/732,891,092,729.05 = 287,208,370,757.70/x
  3. Step 3: Cross multiply
    531,078,901,897.90x = 732,891,092,729.05 × 287,208,370,757.70
  4. Step 4: Simplify right side
    531,078,901,897.90x = 210,492,456,685,540,919,476,224
  5. Step 5: Solve for x
    x = 210,492,456,685,540,919,476,224/531,078,901,897.90
  6. Step 6: Final answer
    x = 396,348,745,795.23

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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.