Home / 6,743,052,000.80-10,114,578,001.20-6,639,739,870.40

Finding the Fourth Proportional to 6,743,052,000.80, 10,114,578,001.20 and 6,639,739,870.40

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Solution

The fourth proportional to 6,743,052,000.80, 10,114,578,001.20 and 6,639,739,870.40 is: 9,959,609,805.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,743,052,000.80 : 10,114,578,001.20 = 6,639,739,870.40 : x
  2. Step 2: Convert to fraction form
    6,743,052,000.80/10,114,578,001.20 = 6,639,739,870.40/x
  3. Step 3: Cross multiply
    6,743,052,000.80x = 10,114,578,001.20 × 6,639,739,870.40
  4. Step 4: Simplify right side
    6,743,052,000.80x = 67,158,166,826,838,376,448
  5. Step 5: Solve for x
    x = 67,158,166,826,838,376,448/6,743,052,000.80
  6. Step 6: Final answer
    x = 9,959,609,805.60

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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.