Home / 1,266,501,571,740.40-1,747,773,295,211.80-688,438,090,519

Finding the Fourth Proportional to 1,266,501,571,740.40, 1,747,773,295,211.80 and 688,438,090,519

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Solution

The fourth proportional to 1,266,501,571,740.40, 1,747,773,295,211.80 and 688,438,090,519 is: 950,045,177,095.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,266,501,571,740.40 : 1,747,773,295,211.80 = 688,438,090,519 : x
  2. Step 2: Convert to fraction form
    1,266,501,571,740.40/1,747,773,295,211.80 = 688,438,090,519/x
  3. Step 3: Cross multiply
    1,266,501,571,740.40x = 1,747,773,295,211.80 × 688,438,090,519
  4. Step 4: Simplify right side
    1,266,501,571,740.40x = 1,203,233,710,015,712,157,761,536
  5. Step 5: Solve for x
    x = 1,203,233,710,015,712,157,761,536/1,266,501,571,740.40
  6. Step 6: Final answer
    x = 950,045,177,095.40

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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.