Home / 712,313,999.80-1,066,959,345.30-591,381,647.80

Finding the Fourth Proportional to 712,313,999.80, 1,066,959,345.30 and 591,381,647.80

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Solution

The fourth proportional to 712,313,999.80, 1,066,959,345.30 and 591,381,647.80 is: 885,817,456.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    712,313,999.80 : 1,066,959,345.30 = 591,381,647.80 : x
  2. Step 2: Convert to fraction form
    712,313,999.80/1,066,959,345.30 = 591,381,647.80/x
  3. Step 3: Cross multiply
    712,313,999.80x = 1,066,959,345.30 × 591,381,647.80
  4. Step 4: Simplify right side
    712,313,999.80x = 630,980,175,759,123,072
  5. Step 5: Solve for x
    x = 630,980,175,759,123,072/712,313,999.80
  6. Step 6: Final answer
    x = 885,817,456.82

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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.