Home / 712,313,998.80-1,066,959,343.80-591,381,646.80

Finding the Fourth Proportional to 712,313,998.80, 1,066,959,343.80 and 591,381,646.80

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Solution

The fourth proportional to 712,313,998.80, 1,066,959,343.80 and 591,381,646.80 is: 885,817,455.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    712,313,998.80 : 1,066,959,343.80 = 591,381,646.80 : x
  2. Step 2: Convert to fraction form
    712,313,998.80/1,066,959,343.80 = 591,381,646.80/x
  3. Step 3: Cross multiply
    712,313,998.80x = 1,066,959,343.80 × 591,381,646.80
  4. Step 4: Simplify right side
    712,313,998.80x = 630,980,173,805,091,328
  5. Step 5: Solve for x
    x = 630,980,173,805,091,328/712,313,998.80
  6. Step 6: Final answer
    x = 885,817,455.32

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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.