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Finding the Fourth Proportional to 898,679,952.70, 1,348,019,929.05 and 798,350,890.30

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Solution

The fourth proportional to 898,679,952.70, 1,348,019,929.05 and 798,350,890.30 is: 1,197,526,335.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    898,679,952.70 : 1,348,019,929.05 = 798,350,890.30 : x
  2. Step 2: Convert to fraction form
    898,679,952.70/1,348,019,929.05 = 798,350,890.30/x
  3. Step 3: Cross multiply
    898,679,952.70x = 1,348,019,929.05 × 798,350,890.30
  4. Step 4: Simplify right side
    898,679,952.70x = 1,076,192,910,499,210,240
  5. Step 5: Solve for x
    x = 1,076,192,910,499,210,240/898,679,952.70
  6. Step 6: Final answer
    x = 1,197,526,335.45

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Double scale
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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.