Home / 907,642,626.62-1,252,534,092.63-505,773,313.35

Finding the Fourth Proportional to 907,642,626.62, 1,252,534,092.63 and 505,773,313.35

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Solution

The fourth proportional to 907,642,626.62, 1,252,534,092.63 and 505,773,313.35 is: 697,960,077.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    907,642,626.62 : 1,252,534,092.63 = 505,773,313.35 : x
  2. Step 2: Convert to fraction form
    907,642,626.62/1,252,534,092.63 = 505,773,313.35/x
  3. Step 3: Cross multiply
    907,642,626.62x = 1,252,534,092.63 × 505,773,313.35
  4. Step 4: Simplify right side
    907,642,626.62x = 633,498,318,113,819,392
  5. Step 5: Solve for x
    x = 633,498,318,113,819,392/907,642,626.62
  6. Step 6: Final answer
    x = 697,960,077.60

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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.