Home / 745,580,753.34-1,028,902,573.35-415,548,806.46

Finding the Fourth Proportional to 745,580,753.34, 1,028,902,573.35 and 415,548,806.46

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Solution

The fourth proportional to 745,580,753.34, 1,028,902,573.35 and 415,548,806.46 is: 573,457,984.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    745,580,753.34 : 1,028,902,573.35 = 415,548,806.46 : x
  2. Step 2: Convert to fraction form
    745,580,753.34/1,028,902,573.35 = 415,548,806.46/x
  3. Step 3: Cross multiply
    745,580,753.34x = 1,028,902,573.35 × 415,548,806.46
  4. Step 4: Simplify right side
    745,580,753.34x = 427,559,236,319,215,104
  5. Step 5: Solve for x
    x = 427,559,236,319,215,104/745,580,753.34
  6. Step 6: Final answer
    x = 573,457,984.80

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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.