Home / 811,999,333.14-1,120,559,909.06-440,721,441.06

Finding the Fourth Proportional to 811,999,333.14, 1,120,559,909.06 and 440,721,441.06

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Solution

The fourth proportional to 811,999,333.14, 1,120,559,909.06 and 440,721,441.06 is: 608,196,038.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    811,999,333.14 : 1,120,559,909.06 = 440,721,441.06 : x
  2. Step 2: Convert to fraction form
    811,999,333.14/1,120,559,909.06 = 440,721,441.06/x
  3. Step 3: Cross multiply
    811,999,333.14x = 1,120,559,909.06 × 440,721,441.06
  4. Step 4: Simplify right side
    811,999,333.14x = 493,854,777,912,782,144
  5. Step 5: Solve for x
    x = 493,854,777,912,782,144/811,999,333.14
  6. Step 6: Final answer
    x = 608,196,038.79

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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.