Home / 743,827,985.92-1,115,741,812.80-271,162,464.92

Finding the Fourth Proportional to 743,827,985.92, 1,115,741,812.80 and 271,162,464.92

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Solution

The fourth proportional to 743,827,985.92, 1,115,741,812.80 and 271,162,464.92 is: 406,743,636.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,827,985.92 : 1,115,741,812.80 = 271,162,464.92 : x
  2. Step 2: Convert to fraction form
    743,827,985.92/1,115,741,812.80 = 271,162,464.92/x
  3. Step 3: Cross multiply
    743,827,985.92x = 1,115,741,812.80 × 271,162,464.92
  4. Step 4: Simplify right side
    743,827,985.92x = 302,547,300,175,423,552
  5. Step 5: Solve for x
    x = 302,547,300,175,423,552/743,827,985.92
  6. Step 6: Final answer
    x = 406,743,636.84

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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.