Home / 1,290,604,521,301.90-1,781,190,415,717.30-734,544,846,027.40

Finding the Fourth Proportional to 1,290,604,521,301.90, 1,781,190,415,717.30 and 734,544,846,027.40

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Solution

The fourth proportional to 1,290,604,521,301.90, 1,781,190,415,717.30 and 734,544,846,027.40 is: 1,013,760,774,941.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,290,604,521,301.90 : 1,781,190,415,717.30 = 734,544,846,027.40 : x
  2. Step 2: Convert to fraction form
    1,290,604,521,301.90/1,781,190,415,717.30 = 734,544,846,027.40/x
  3. Step 3: Cross multiply
    1,290,604,521,301.90x = 1,781,190,415,717.30 × 734,544,846,027.40
  4. Step 4: Simplify right side
    1,290,604,521,301.90x = 1,308,364,239,658,544,902,701,056
  5. Step 5: Solve for x
    x = 1,308,364,239,658,544,902,701,056/1,290,604,521,301.90
  6. Step 6: Final answer
    x = 1,013,760,774,941.91

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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.