Home / 976,814,730.78-1,348,012,842.36-530,778,092.52

Finding the Fourth Proportional to 976,814,730.78, 1,348,012,842.36 and 530,778,092.52

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Solution

The fourth proportional to 976,814,730.78, 1,348,012,842.36 and 530,778,092.52 is: 732,478,393.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    976,814,730.78 : 1,348,012,842.36 = 530,778,092.52 : x
  2. Step 2: Convert to fraction form
    976,814,730.78/1,348,012,842.36 = 530,778,092.52/x
  3. Step 3: Cross multiply
    976,814,730.78x = 1,348,012,842.36 × 530,778,092.52
  4. Step 4: Simplify right side
    976,814,730.78x = 715,495,685,160,304,128
  5. Step 5: Solve for x
    x = 715,495,685,160,304,128/976,814,730.78
  6. Step 6: Final answer
    x = 732,478,393.92

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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.