Home / 976,814,809.29-1,348,012,950.59-530,778,171.33

Finding the Fourth Proportional to 976,814,809.29, 1,348,012,950.59 and 530,778,171.33

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Solution

The fourth proportional to 976,814,809.29, 1,348,012,950.59 and 530,778,171.33 is: 732,478,502.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    976,814,809.29 : 1,348,012,950.59 = 530,778,171.33 : x
  2. Step 2: Convert to fraction form
    976,814,809.29/1,348,012,950.59 = 530,778,171.33/x
  3. Step 3: Cross multiply
    976,814,809.29x = 1,348,012,950.59 × 530,778,171.33
  4. Step 4: Simplify right side
    976,814,809.29x = 715,495,848,844,644,736
  5. Step 5: Solve for x
    x = 715,495,848,844,644,736/976,814,809.29
  6. Step 6: Final answer
    x = 732,478,502.62

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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.