Home / 1,257,062,854,166.90-1,734,747,435,679-678,999,370,670.88

Finding the Fourth Proportional to 1,257,062,854,166.90, 1,734,747,435,679 and 678,999,370,670.88

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Solution

The fourth proportional to 1,257,062,854,166.90, 1,734,747,435,679 and 678,999,370,670.88 is: 937,019,507,970.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,257,062,854,166.90 : 1,734,747,435,679 = 678,999,370,670.88 : x
  2. Step 2: Convert to fraction form
    1,257,062,854,166.90/1,734,747,435,679 = 678,999,370,670.88/x
  3. Step 3: Cross multiply
    1,257,062,854,166.90x = 1,734,747,435,679 × 678,999,370,670.88
  4. Step 4: Simplify right side
    1,257,062,854,166.90x = 1,177,892,417,098,963,874,742,272
  5. Step 5: Solve for x
    x = 1,177,892,417,098,963,874,742,272/1,257,062,854,166.90
  6. Step 6: Final answer
    x = 937,019,507,970.11

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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.