Home / 618,729,638.87-856,095,316.64-539,509,893.26

Finding the Fourth Proportional to 618,729,638.87, 856,095,316.64 and 539,509,893.26

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Solution

The fourth proportional to 618,729,638.87, 856,095,316.64 and 539,509,893.26 is: 746,484,189.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    618,729,638.87 : 856,095,316.64 = 539,509,893.26 : x
  2. Step 2: Convert to fraction form
    618,729,638.87/856,095,316.64 = 539,509,893.26/x
  3. Step 3: Cross multiply
    618,729,638.87x = 856,095,316.64 × 539,509,893.26
  4. Step 4: Simplify right side
    618,729,638.87x = 461,871,892,893,854,272
  5. Step 5: Solve for x
    x = 461,871,892,893,854,272/618,729,638.87
  6. Step 6: Final answer
    x = 746,484,189.35

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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.