Home / 427,734,144-590,754,582.72-289,077,644.16

Finding the Fourth Proportional to 427,734,144, 590,754,582.72 and 289,077,644.16

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Solution

The fourth proportional to 427,734,144, 590,754,582.72 and 289,077,644.16 is: 399,252,539.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,734,144 : 590,754,582.72 = 289,077,644.16 : x
  2. Step 2: Convert to fraction form
    427,734,144/590,754,582.72 = 289,077,644.16/x
  3. Step 3: Cross multiply
    427,734,144x = 590,754,582.72 × 289,077,644.16
  4. Step 4: Simplify right side
    427,734,144x = 170,773,943,049,421,472
  5. Step 5: Solve for x
    x = 170,773,943,049,421,472/427,734,144
  6. Step 6: Final answer
    x = 399,252,539.09

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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.