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Finding the Fourth Proportional to 907,279,969.95, 1,360,919,954.93 and 907,279,969.95

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Solution

The fourth proportional to 907,279,969.95, 1,360,919,954.93 and 907,279,969.95 is: 1,360,919,954.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    907,279,969.95 : 1,360,919,954.93 = 907,279,969.95 : x
  2. Step 2: Convert to fraction form
    907,279,969.95/1,360,919,954.93 = 907,279,969.95/x
  3. Step 3: Cross multiply
    907,279,969.95x = 1,360,919,954.93 × 907,279,969.95
  4. Step 4: Simplify right side
    907,279,969.95x = 1,234,735,415,808,709,376
  5. Step 5: Solve for x
    x = 1,234,735,415,808,709,376/907,279,969.95
  6. Step 6: Final answer
    x = 1,360,919,954.93

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.