Home / 512,037,779.55-706,612,136.67-277,088,439.92

Finding the Fourth Proportional to 512,037,779.55, 706,612,136.67 and 277,088,439.92

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Solution

The fourth proportional to 512,037,779.55, 706,612,136.67 and 277,088,439.92 is: 382,382,047.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    512,037,779.55 : 706,612,136.67 = 277,088,439.92 : x
  2. Step 2: Convert to fraction form
    512,037,779.55/706,612,136.67 = 277,088,439.92/x
  3. Step 3: Cross multiply
    512,037,779.55x = 706,612,136.67 × 277,088,439.92
  4. Step 4: Simplify right side
    512,037,779.55x = 195,794,054,574,895,072
  5. Step 5: Solve for x
    x = 195,794,054,574,895,072/512,037,779.55
  6. Step 6: Final answer
    x = 382,382,047.56

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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.