Home / 1,277,100,018,877.50-1,762,409,016,586.80-728,419,116,008.86

Finding the Fourth Proportional to 1,277,100,018,877.50, 1,762,409,016,586.80 and 728,419,116,008.86

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Solution

The fourth proportional to 1,277,100,018,877.50, 1,762,409,016,586.80 and 728,419,116,008.86 is: 1,005,224,648,760.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,277,100,018,877.50 : 1,762,409,016,586.80 = 728,419,116,008.86 : x
  2. Step 2: Convert to fraction form
    1,277,100,018,877.50/1,762,409,016,586.80 = 728,419,116,008.86/x
  3. Step 3: Cross multiply
    1,277,100,018,877.50x = 1,762,409,016,586.80 × 728,419,116,008.86
  4. Step 4: Simplify right side
    1,277,100,018,877.50x = 1,283,772,417,908,201,222,045,696
  5. Step 5: Solve for x
    x = 1,283,772,417,908,201,222,045,696/1,277,100,018,877.50
  6. Step 6: Final answer
    x = 1,005,224,648,760.53

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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.