Home / 768,056,673.06-1,059,918,210.18-415,632,663.60

Finding the Fourth Proportional to 768,056,673.06, 1,059,918,210.18 and 415,632,663.60

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Solution

The fourth proportional to 768,056,673.06, 1,059,918,210.18 and 415,632,663.60 is: 573,573,076.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    768,056,673.06 : 1,059,918,210.18 = 415,632,663.60 : x
  2. Step 2: Convert to fraction form
    768,056,673.06/1,059,918,210.18 = 415,632,663.60/x
  3. Step 3: Cross multiply
    768,056,673.06x = 1,059,918,210.18 × 415,632,663.60
  4. Step 4: Simplify right side
    768,056,673.06x = 440,536,628,895,258,048
  5. Step 5: Solve for x
    x = 440,536,628,895,258,048/768,056,673.06
  6. Step 6: Final answer
    x = 573,573,076.50

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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.