Home / 1,136,783,946.10-1,568,764,276.80-641,746,654.60

Finding the Fourth Proportional to 1,136,783,946.10, 1,568,764,276.80 and 641,746,654.60

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Solution

The fourth proportional to 1,136,783,946.10, 1,568,764,276.80 and 641,746,654.60 is: 885,611,755.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,136,783,946.10 : 1,568,764,276.80 = 641,746,654.60 : x
  2. Step 2: Convert to fraction form
    1,136,783,946.10/1,568,764,276.80 = 641,746,654.60/x
  3. Step 3: Cross multiply
    1,136,783,946.10x = 1,568,764,276.80 × 641,746,654.60
  4. Step 4: Simplify right side
    1,136,783,946.10x = 1,006,749,226,492,388,352
  5. Step 5: Solve for x
    x = 1,006,749,226,492,388,352/1,136,783,946.10
  6. Step 6: Final answer
    x = 885,611,755.82

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.