Home / 907,635,299.94-1,252,503,645.76-505,728,282.90

Finding the Fourth Proportional to 907,635,299.94, 1,252,503,645.76 and 505,728,282.90

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Solution

The fourth proportional to 907,635,299.94, 1,252,503,645.76 and 505,728,282.90 is: 697,886,605.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    907,635,299.94 : 1,252,503,645.76 = 505,728,282.90 : x
  2. Step 2: Convert to fraction form
    907,635,299.94/1,252,503,645.76 = 505,728,282.90/x
  3. Step 3: Cross multiply
    907,635,299.94x = 1,252,503,645.76 × 505,728,282.90
  4. Step 4: Simplify right side
    907,635,299.94x = 633,426,518,096,194,688
  5. Step 5: Solve for x
    x = 633,426,518,096,194,688/907,635,299.94
  6. Step 6: Final answer
    x = 697,886,605.05

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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.