Home / 531,078,905,663.95-732,891,097,926.82-287,208,374,523.66

Finding the Fourth Proportional to 531,078,905,663.95, 732,891,097,926.82 and 287,208,374,523.66

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Solution

The fourth proportional to 531,078,905,663.95, 732,891,097,926.82 and 287,208,374,523.66 is: 396,348,750,992.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,078,905,663.95 : 732,891,097,926.82 = 287,208,374,523.66 : x
  2. Step 2: Convert to fraction form
    531,078,905,663.95/732,891,097,926.82 = 287,208,374,523.66/x
  3. Step 3: Cross multiply
    531,078,905,663.95x = 732,891,097,926.82 × 287,208,374,523.66
  4. Step 4: Simplify right side
    531,078,905,663.95x = 210,492,460,938,422,468,476,928
  5. Step 5: Solve for x
    x = 210,492,460,938,422,468,476,928/531,078,905,663.95
  6. Step 6: Final answer
    x = 396,348,750,992.60

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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.