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Finding the Fourth Proportional to 1,168,874,976.11, 1,613,207,946.06 and 716,672,950.28

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Solution

The fourth proportional to 1,168,874,976.11, 1,613,207,946.06 and 716,672,950.28 is: 989,107,065.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,168,874,976.11 : 1,613,207,946.06 = 716,672,950.28 : x
  2. Step 2: Convert to fraction form
    1,168,874,976.11/1,613,207,946.06 = 716,672,950.28/x
  3. Step 3: Cross multiply
    1,168,874,976.11x = 1,613,207,946.06 × 716,672,950.28
  4. Step 4: Simplify right side
    1,168,874,976.11x = 1,156,142,498,109,893,120
  5. Step 5: Solve for x
    x = 1,156,142,498,109,893,120/1,168,874,976.11
  6. Step 6: Final answer
    x = 989,107,065.98

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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.