Home / 521,520,772,653.10-782,281,158,979.65-521,520,772,653.10

Finding the Fourth Proportional to 521,520,772,653.10, 782,281,158,979.65 and 521,520,772,653.10

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Solution

The fourth proportional to 521,520,772,653.10, 782,281,158,979.65 and 521,520,772,653.10 is: 782,281,158,979.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    521,520,772,653.10 : 782,281,158,979.65 = 521,520,772,653.10 : x
  2. Step 2: Convert to fraction form
    521,520,772,653.10/782,281,158,979.65 = 521,520,772,653.10/x
  3. Step 3: Cross multiply
    521,520,772,653.10x = 782,281,158,979.65 × 521,520,772,653.10
  4. Step 4: Simplify right side
    521,520,772,653.10x = 407,975,874,463,029,620,899,840
  5. Step 5: Solve for x
    x = 407,975,874,463,029,620,899,840/521,520,772,653.10
  6. Step 6: Final answer
    x = 782,281,158,979.65

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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.