Home / 768,056,602.28-1,059,918,112.50-415,632,592.98

Finding the Fourth Proportional to 768,056,602.28, 1,059,918,112.50 and 415,632,592.98

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Solution

The fourth proportional to 768,056,602.28, 1,059,918,112.50 and 415,632,592.98 is: 573,572,979.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    768,056,602.28 : 1,059,918,112.50 = 415,632,592.98 : x
  2. Step 2: Convert to fraction form
    768,056,602.28/1,059,918,112.50 = 415,632,592.98/x
  3. Step 3: Cross multiply
    768,056,602.28x = 1,059,918,112.50 × 415,632,592.98
  4. Step 4: Simplify right side
    768,056,602.28x = 440,536,513,443,262,976
  5. Step 5: Solve for x
    x = 440,536,513,443,262,976/768,056,602.28
  6. Step 6: Final answer
    x = 573,572,979.05

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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.