Home / 786,591,946.40-1,181,231,612.40-515,166,000.80

Finding the Fourth Proportional to 786,591,946.40, 1,181,231,612.40 and 515,166,000.80

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Solution

The fourth proportional to 786,591,946.40, 1,181,231,612.40 and 515,166,000.80 is: 773,629,031.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    786,591,946.40 : 1,181,231,612.40 = 515,166,000.80 : x
  2. Step 2: Convert to fraction form
    786,591,946.40/1,181,231,612.40 = 515,166,000.80/x
  3. Step 3: Cross multiply
    786,591,946.40x = 1,181,231,612.40 × 515,166,000.80
  4. Step 4: Simplify right side
    786,591,946.40x = 608,530,365,778,643,712
  5. Step 5: Solve for x
    x = 608,530,365,778,643,712/786,591,946.40
  6. Step 6: Final answer
    x = 773,629,031.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.