Home / 757,353,445.65-1,136,728,505.81-384,123,277.36

Finding the Fourth Proportional to 757,353,445.65, 1,136,728,505.81 and 384,123,277.36

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Solution

The fourth proportional to 757,353,445.65, 1,136,728,505.81 and 384,123,277.36 is: 576,539,106.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    757,353,445.65 : 1,136,728,505.81 = 384,123,277.36 : x
  2. Step 2: Convert to fraction form
    757,353,445.65/1,136,728,505.81 = 384,123,277.36/x
  3. Step 3: Cross multiply
    757,353,445.65x = 1,136,728,505.81 × 384,123,277.36
  4. Step 4: Simplify right side
    757,353,445.65x = 436,643,879,120,273,024
  5. Step 5: Solve for x
    x = 436,643,879,120,273,024/757,353,445.65
  6. Step 6: Final answer
    x = 576,539,106.84

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.