Home / 1,674,265,127.80-2,511,397,691.70-509,724,369.40

Finding the Fourth Proportional to 1,674,265,127.80, 2,511,397,691.70 and 509,724,369.40

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Solution

The fourth proportional to 1,674,265,127.80, 2,511,397,691.70 and 509,724,369.40 is: 764,586,554.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,674,265,127.80 : 2,511,397,691.70 = 509,724,369.40 : x
  2. Step 2: Convert to fraction form
    1,674,265,127.80/2,511,397,691.70 = 509,724,369.40/x
  3. Step 3: Cross multiply
    1,674,265,127.80x = 2,511,397,691.70 × 509,724,369.40
  4. Step 4: Simplify right side
    1,674,265,127.80x = 1,280,120,604,714,397,952
  5. Step 5: Solve for x
    x = 1,280,120,604,714,397,952/1,674,265,127.80
  6. Step 6: Final answer
    x = 764,586,554.10

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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.