Home / 1,457,982,148.59-2,011,616,681.94-831,221,890.83

Finding the Fourth Proportional to 1,457,982,148.59, 2,011,616,681.94 and 831,221,890.83

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Solution

The fourth proportional to 1,457,982,148.59, 2,011,616,681.94 and 831,221,890.83 is: 1,146,858,912.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,457,982,148.59 : 2,011,616,681.94 = 831,221,890.83 : x
  2. Step 2: Convert to fraction form
    1,457,982,148.59/2,011,616,681.94 = 831,221,890.83/x
  3. Step 3: Cross multiply
    1,457,982,148.59x = 2,011,616,681.94 × 831,221,890.83
  4. Step 4: Simplify right side
    1,457,982,148.59x = 1,672,099,821,987,337,728
  5. Step 5: Solve for x
    x = 1,672,099,821,987,337,728/1,457,982,148.59
  6. Step 6: Final answer
    x = 1,146,858,912.92

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Double scale
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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.