Home / 1,338,730,693.40-2,008,096,040.10-476,776,645.40

Finding the Fourth Proportional to 1,338,730,693.40, 2,008,096,040.10 and 476,776,645.40

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Solution

The fourth proportional to 1,338,730,693.40, 2,008,096,040.10 and 476,776,645.40 is: 715,164,968.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,338,730,693.40 : 2,008,096,040.10 = 476,776,645.40 : x
  2. Step 2: Convert to fraction form
    1,338,730,693.40/2,008,096,040.10 = 476,776,645.40/x
  3. Step 3: Cross multiply
    1,338,730,693.40x = 2,008,096,040.10 × 476,776,645.40
  4. Step 4: Simplify right side
    1,338,730,693.40x = 957,413,293,639,901,824
  5. Step 5: Solve for x
    x = 957,413,293,639,901,824/1,338,730,693.40
  6. Step 6: Final answer
    x = 715,164,968.10

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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.