Home / 1,276,963,897.44-1,762,060,434.48-720,013,755.36

Finding the Fourth Proportional to 1,276,963,897.44, 1,762,060,434.48 and 720,013,755.36

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Solution

The fourth proportional to 1,276,963,897.44, 1,762,060,434.48 and 720,013,755.36 is: 993,534,549.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,276,963,897.44 : 1,762,060,434.48 = 720,013,755.36 : x
  2. Step 2: Convert to fraction form
    1,276,963,897.44/1,762,060,434.48 = 720,013,755.36/x
  3. Step 3: Cross multiply
    1,276,963,897.44x = 1,762,060,434.48 × 720,013,755.36
  4. Step 4: Simplify right side
    1,276,963,897.44x = 1,268,707,750,601,218,048
  5. Step 5: Solve for x
    x = 1,268,707,750,601,218,048/1,276,963,897.44
  6. Step 6: Final answer
    x = 993,534,549.52

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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.