Home / 1,266,501,571,741.40-1,747,773,295,213.20-688,438,090,520

Finding the Fourth Proportional to 1,266,501,571,741.40, 1,747,773,295,213.20 and 688,438,090,520

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Solution

The fourth proportional to 1,266,501,571,741.40, 1,747,773,295,213.20 and 688,438,090,520 is: 950,045,177,096.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,266,501,571,741.40 : 1,747,773,295,213.20 = 688,438,090,520 : x
  2. Step 2: Convert to fraction form
    1,266,501,571,741.40/1,747,773,295,213.20 = 688,438,090,520/x
  3. Step 3: Cross multiply
    1,266,501,571,741.40x = 1,747,773,295,213.20 × 688,438,090,520
  4. Step 4: Simplify right side
    1,266,501,571,741.40x = 1,203,233,710,018,423,624,302,592
  5. Step 5: Solve for x
    x = 1,203,233,710,018,423,624,302,592/1,266,501,571,741.40
  6. Step 6: Final answer
    x = 950,045,177,096.79

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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.