Home / 685,706,750.59-946,259,220.44-403,467,472.35

Finding the Fourth Proportional to 685,706,750.59, 946,259,220.44 and 403,467,472.35

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Solution

The fourth proportional to 685,706,750.59, 946,259,220.44 and 403,467,472.35 is: 556,775,641.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    685,706,750.59 : 946,259,220.44 = 403,467,472.35 : x
  2. Step 2: Convert to fraction form
    685,706,750.59/946,259,220.44 = 403,467,472.35/x
  3. Step 3: Cross multiply
    685,706,750.59x = 946,259,220.44 × 403,467,472.35
  4. Step 4: Simplify right side
    685,706,750.59x = 381,784,815,858,808,320
  5. Step 5: Solve for x
    x = 381,784,815,858,808,320/685,706,750.59
  6. Step 6: Final answer
    x = 556,775,641.38

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1.5x scale

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.