Home / 1,426,464,003.80-2,139,696,005.70-927,122,040.20

Finding the Fourth Proportional to 1,426,464,003.80, 2,139,696,005.70 and 927,122,040.20

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Solution

The fourth proportional to 1,426,464,003.80, 2,139,696,005.70 and 927,122,040.20 is: 1,390,683,060.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,426,464,003.80 : 2,139,696,005.70 = 927,122,040.20 : x
  2. Step 2: Convert to fraction form
    1,426,464,003.80/2,139,696,005.70 = 927,122,040.20/x
  3. Step 3: Cross multiply
    1,426,464,003.80x = 2,139,696,005.70 × 927,122,040.20
  4. Step 4: Simplify right side
    1,426,464,003.80x = 1,983,759,326,212,375,040
  5. Step 5: Solve for x
    x = 1,983,759,326,212,375,040/1,426,464,003.80
  6. Step 6: Final answer
    x = 1,390,683,060.30

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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.