Home / 1,012,989,437.58-1,397,969,113.76-560,867,401.04

Finding the Fourth Proportional to 1,012,989,437.58, 1,397,969,113.76 and 560,867,401.04

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Solution

The fourth proportional to 1,012,989,437.58, 1,397,969,113.76 and 560,867,401.04 is: 774,021,203.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,012,989,437.58 : 1,397,969,113.76 = 560,867,401.04 : x
  2. Step 2: Convert to fraction form
    1,012,989,437.58/1,397,969,113.76 = 560,867,401.04/x
  3. Step 3: Cross multiply
    1,012,989,437.58x = 1,397,969,113.76 × 560,867,401.04
  4. Step 4: Simplify right side
    1,012,989,437.58x = 784,075,303,568,763,264
  5. Step 5: Solve for x
    x = 784,075,303,568,763,264/1,012,989,437.58
  6. Step 6: Final answer
    x = 774,021,203.46

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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.