Home / 784,095,208.53-1,082,012,466.40-431,663,632.42

Finding the Fourth Proportional to 784,095,208.53, 1,082,012,466.40 and 431,663,632.42

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Solution

The fourth proportional to 784,095,208.53, 1,082,012,466.40 and 431,663,632.42 is: 595,674,385.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    784,095,208.53 : 1,082,012,466.40 = 431,663,632.42 : x
  2. Step 2: Convert to fraction form
    784,095,208.53/1,082,012,466.40 = 431,663,632.42/x
  3. Step 3: Cross multiply
    784,095,208.53x = 1,082,012,466.40 × 431,663,632.42
  4. Step 4: Simplify right side
    784,095,208.53x = 467,065,431,569,947,264
  5. Step 5: Solve for x
    x = 467,065,431,569,947,264/784,095,208.53
  6. Step 6: Final answer
    x = 595,674,385.57

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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.