Home / 9,660,593,872.80-14,490,890,809.20-7,338,692,714.40

Finding the Fourth Proportional to 9,660,593,872.80, 14,490,890,809.20 and 7,338,692,714.40

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Solution

The fourth proportional to 9,660,593,872.80, 14,490,890,809.20 and 7,338,692,714.40 is: 11,008,039,071.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,660,593,872.80 : 14,490,890,809.20 = 7,338,692,714.40 : x
  2. Step 2: Convert to fraction form
    9,660,593,872.80/14,490,890,809.20 = 7,338,692,714.40/x
  3. Step 3: Cross multiply
    9,660,593,872.80x = 14,490,890,809.20 × 7,338,692,714.40
  4. Step 4: Simplify right side
    9,660,593,872.80x = 106,344,194,806,641,967,104
  5. Step 5: Solve for x
    x = 106,344,194,806,641,967,104/9,660,593,872.80
  6. Step 6: Final answer
    x = 11,008,039,071.60

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Half scale
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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.