Home / 531,078,905,663.64-732,891,097,926.12-287,208,374,523.22

Finding the Fourth Proportional to 531,078,905,663.64, 732,891,097,926.12 and 287,208,374,523.22

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Solution

The fourth proportional to 531,078,905,663.64, 732,891,097,926.12 and 287,208,374,523.22 is: 396,348,750,991.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,078,905,663.64 : 732,891,097,926.12 = 287,208,374,523.22 : x
  2. Step 2: Convert to fraction form
    531,078,905,663.64/732,891,097,926.12 = 287,208,374,523.22/x
  3. Step 3: Cross multiply
    531,078,905,663.64x = 732,891,097,926.12 × 287,208,374,523.22
  4. Step 4: Simplify right side
    531,078,905,663.64x = 210,492,460,937,898,952,228,864
  5. Step 5: Solve for x
    x = 210,492,460,937,898,952,228,864/531,078,905,663.64
  6. Step 6: Final answer
    x = 396,348,750,991.84

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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.