Home / 1,012,989,437.08-1,397,969,113.07-560,867,400.54

Finding the Fourth Proportional to 1,012,989,437.08, 1,397,969,113.07 and 560,867,400.54

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Solution

The fourth proportional to 1,012,989,437.08, 1,397,969,113.07 and 560,867,400.54 is: 774,021,202.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,012,989,437.08 : 1,397,969,113.07 = 560,867,400.54 : x
  2. Step 2: Convert to fraction form
    1,012,989,437.08/1,397,969,113.07 = 560,867,400.54/x
  3. Step 3: Cross multiply
    1,012,989,437.08x = 1,397,969,113.07 × 560,867,400.54
  4. Step 4: Simplify right side
    1,012,989,437.08x = 784,075,302,482,780,160
  5. Step 5: Solve for x
    x = 784,075,302,482,780,160/1,012,989,437.08
  6. Step 6: Final answer
    x = 774,021,202.77

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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.