Home / 896,865,614.70-1,345,298,422.05-815,076,844.80

Finding the Fourth Proportional to 896,865,614.70, 1,345,298,422.05 and 815,076,844.80

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Solution

The fourth proportional to 896,865,614.70, 1,345,298,422.05 and 815,076,844.80 is: 1,222,615,267.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    896,865,614.70 : 1,345,298,422.05 = 815,076,844.80 : x
  2. Step 2: Convert to fraction form
    896,865,614.70/1,345,298,422.05 = 815,076,844.80/x
  3. Step 3: Cross multiply
    896,865,614.70x = 1,345,298,422.05 × 815,076,844.80
  4. Step 4: Simplify right side
    896,865,614.70x = 1,096,521,593,158,932,608
  5. Step 5: Solve for x
    x = 1,096,521,593,158,932,608/896,865,614.70
  6. Step 6: Final answer
    x = 1,222,615,267.20

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Half scale
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Double scale
Find fourth proportional to 896,865,615.70, 1,345,298,423.55 and 815,076,845.80
Similar ratio
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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.