Home / 1,089,636,393.80-1,503,730,125.78-594,631,008.20

Finding the Fourth Proportional to 1,089,636,393.80, 1,503,730,125.78 and 594,631,008.20

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Solution

The fourth proportional to 1,089,636,393.80, 1,503,730,125.78 and 594,631,008.20 is: 820,608,200.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,089,636,393.80 : 1,503,730,125.78 = 594,631,008.20 : x
  2. Step 2: Convert to fraction form
    1,089,636,393.80/1,503,730,125.78 = 594,631,008.20/x
  3. Step 3: Cross multiply
    1,089,636,393.80x = 1,503,730,125.78 × 594,631,008.20
  4. Step 4: Simplify right side
    1,089,636,393.80x = 894,164,560,753,274,240
  5. Step 5: Solve for x
    x = 894,164,560,753,274,240/1,089,636,393.80
  6. Step 6: Final answer
    x = 820,608,200.90

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Double scale
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1.5x scale

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.