Home / 1,216,419,799,323.60-1,678,660,565,393.10-660,225,040,888.90

Finding the Fourth Proportional to 1,216,419,799,323.60, 1,678,660,565,393.10 and 660,225,040,888.90

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Solution

The fourth proportional to 1,216,419,799,323.60, 1,678,660,565,393.10 and 660,225,040,888.90 is: 911,111,230,712.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,216,419,799,323.60 : 1,678,660,565,393.10 = 660,225,040,888.90 : x
  2. Step 2: Convert to fraction form
    1,216,419,799,323.60/1,678,660,565,393.10 = 660,225,040,888.90/x
  3. Step 3: Cross multiply
    1,216,419,799,323.60x = 1,678,660,565,393.10 × 660,225,040,888.90
  4. Step 4: Simplify right side
    1,216,419,799,323.60x = 1,108,293,740,425,243,508,342,784
  5. Step 5: Solve for x
    x = 1,108,293,740,425,243,508,342,784/1,216,419,799,323.60
  6. Step 6: Final answer
    x = 911,111,230,712.88

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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.