Home / 1,012,989,376.66-1,397,969,030.04-560,867,341.54

Finding the Fourth Proportional to 1,012,989,376.66, 1,397,969,030.04 and 560,867,341.54

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Solution

The fourth proportional to 1,012,989,376.66, 1,397,969,030.04 and 560,867,341.54 is: 774,021,121.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,012,989,376.66 : 1,397,969,030.04 = 560,867,341.54 : x
  2. Step 2: Convert to fraction form
    1,012,989,376.66/1,397,969,030.04 = 560,867,341.54/x
  3. Step 3: Cross multiply
    1,012,989,376.66x = 1,397,969,030.04 × 560,867,341.54
  4. Step 4: Simplify right side
    1,012,989,376.66x = 784,075,173,433,787,136
  5. Step 5: Solve for x
    x = 784,075,173,433,787,136/1,012,989,376.66
  6. Step 6: Final answer
    x = 774,021,121.54

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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.