Home / 862,446,682.71-1,190,174,069.71-480,969,131.94

Finding the Fourth Proportional to 862,446,682.71, 1,190,174,069.71 and 480,969,131.94

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Solution

The fourth proportional to 862,446,682.71, 1,190,174,069.71 and 480,969,131.94 is: 663,736,090.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    862,446,682.71 : 1,190,174,069.71 = 480,969,131.94 : x
  2. Step 2: Convert to fraction form
    862,446,682.71/1,190,174,069.71 = 480,969,131.94/x
  3. Step 3: Cross multiply
    862,446,682.71x = 1,190,174,069.71 × 480,969,131.94
  4. Step 4: Simplify right side
    862,446,682.71x = 572,436,989,168,502,528
  5. Step 5: Solve for x
    x = 572,436,989,168,502,528/862,446,682.71
  6. Step 6: Final answer
    x = 663,736,090.18

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Double scale
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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.