Home / 726,769,735.80-1,090,154,603.70-646,415,856.60

Finding the Fourth Proportional to 726,769,735.80, 1,090,154,603.70 and 646,415,856.60

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Solution

The fourth proportional to 726,769,735.80, 1,090,154,603.70 and 646,415,856.60 is: 969,623,784.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,769,735.80 : 1,090,154,603.70 = 646,415,856.60 : x
  2. Step 2: Convert to fraction form
    726,769,735.80/1,090,154,603.70 = 646,415,856.60/x
  3. Step 3: Cross multiply
    726,769,735.80x = 1,090,154,603.70 × 646,415,856.60
  4. Step 4: Simplify right side
    726,769,735.80x = 704,693,221,977,169,024
  5. Step 5: Solve for x
    x = 704,693,221,977,169,024/726,769,735.80
  6. Step 6: Final answer
    x = 969,623,784.90

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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.