Home / 653,734,205.93-902,145,748.74-356,369,888.11

Finding the Fourth Proportional to 653,734,205.93, 902,145,748.74 and 356,369,888.11

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Solution

The fourth proportional to 653,734,205.93, 902,145,748.74 and 356,369,888.11 is: 491,786,381.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,734,205.93 : 902,145,748.74 = 356,369,888.11 : x
  2. Step 2: Convert to fraction form
    653,734,205.93/902,145,748.74 = 356,369,888.11/x
  3. Step 3: Cross multiply
    653,734,205.93x = 902,145,748.74 × 356,369,888.11
  4. Step 4: Simplify right side
    653,734,205.93x = 321,497,579,539,855,040
  5. Step 5: Solve for x
    x = 321,497,579,539,855,040/653,734,205.93
  6. Step 6: Final answer
    x = 491,786,381.41

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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.