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Finding the Fourth Proportional to 708,459,946.62, 1,062,996,843.57 and 380,552,888.94

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Solution

The fourth proportional to 708,459,946.62, 1,062,996,843.57 and 380,552,888.94 is: 570,994,199.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    708,459,946.62 : 1,062,996,843.57 = 380,552,888.94 : x
  2. Step 2: Convert to fraction form
    708,459,946.62/1,062,996,843.57 = 380,552,888.94/x
  3. Step 3: Cross multiply
    708,459,946.62x = 1,062,996,843.57 × 380,552,888.94
  4. Step 4: Simplify right side
    708,459,946.62x = 404,526,519,754,664,768
  5. Step 5: Solve for x
    x = 404,526,519,754,664,768/708,459,946.62
  6. Step 6: Final answer
    x = 570,994,199.02

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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.