Home / 771,333,548.31-1,064,505,943.49-436,865,569.88

Finding the Fourth Proportional to 771,333,548.31, 1,064,505,943.49 and 436,865,569.88

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Solution

The fourth proportional to 771,333,548.31, 1,064,505,943.49 and 436,865,569.88 is: 602,911,667.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    771,333,548.31 : 1,064,505,943.49 = 436,865,569.88 : x
  2. Step 2: Convert to fraction form
    771,333,548.31/1,064,505,943.49 = 436,865,569.88/x
  3. Step 3: Cross multiply
    771,333,548.31x = 1,064,505,943.49 × 436,865,569.88
  4. Step 4: Simplify right side
    771,333,548.31x = 465,045,995,635,899,072
  5. Step 5: Solve for x
    x = 465,045,995,635,899,072/771,333,548.31
  6. Step 6: Final answer
    x = 602,911,667.27

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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.