Home / 1,207,953,557.89-1,666,949,782.19-699,337,719.81

Finding the Fourth Proportional to 1,207,953,557.89, 1,666,949,782.19 and 699,337,719.81

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Solution

The fourth proportional to 1,207,953,557.89, 1,666,949,782.19 and 699,337,719.81 is: 965,070,926.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,207,953,557.89 : 1,666,949,782.19 = 699,337,719.81 : x
  2. Step 2: Convert to fraction form
    1,207,953,557.89/1,666,949,782.19 = 699,337,719.81/x
  3. Step 3: Cross multiply
    1,207,953,557.89x = 1,666,949,782.19 × 699,337,719.81
  4. Step 4: Simplify right side
    1,207,953,557.89x = 1,165,760,859,714,880,256
  5. Step 5: Solve for x
    x = 1,165,760,859,714,880,256/1,207,953,557.89
  6. Step 6: Final answer
    x = 965,070,926.86

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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.