Home / 744,658,434.30-1,116,987,651.45-664,304,555.10

Finding the Fourth Proportional to 744,658,434.30, 1,116,987,651.45 and 664,304,555.10

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Solution

The fourth proportional to 744,658,434.30, 1,116,987,651.45 and 664,304,555.10 is: 996,456,832.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    744,658,434.30 : 1,116,987,651.45 = 664,304,555.10 : x
  2. Step 2: Convert to fraction form
    744,658,434.30/1,116,987,651.45 = 664,304,555.10/x
  3. Step 3: Cross multiply
    744,658,434.30x = 1,116,987,651.45 × 664,304,555.10
  4. Step 4: Simplify right side
    744,658,434.30x = 742,019,984,848,686,208
  5. Step 5: Solve for x
    x = 742,019,984,848,686,208/744,658,434.30
  6. Step 6: Final answer
    x = 996,456,832.65

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Double scale
Find fourth proportional to 744,658,435.30, 1,116,987,652.95 and 664,304,556.10
Similar ratio
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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.