Home / 1,216,419,799,323.10-1,678,660,565,392.40-660,225,040,888.40

Finding the Fourth Proportional to 1,216,419,799,323.10, 1,678,660,565,392.40 and 660,225,040,888.40

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Solution

The fourth proportional to 1,216,419,799,323.10, 1,678,660,565,392.40 and 660,225,040,888.40 is: 911,111,230,712.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,216,419,799,323.10 : 1,678,660,565,392.40 = 660,225,040,888.40 : x
  2. Step 2: Convert to fraction form
    1,216,419,799,323.10/1,678,660,565,392.40 = 660,225,040,888.40/x
  3. Step 3: Cross multiply
    1,216,419,799,323.10x = 1,678,660,565,392.40 × 660,225,040,888.40
  4. Step 4: Simplify right side
    1,216,419,799,323.10x = 1,108,293,740,423,941,864,816,640
  5. Step 5: Solve for x
    x = 1,108,293,740,423,941,864,816,640/1,216,419,799,323.10
  6. Step 6: Final answer
    x = 911,111,230,712.19

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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.