Home / 657,409,512.40-986,114,268.60-317,670,888.40

Finding the Fourth Proportional to 657,409,512.40, 986,114,268.60 and 317,670,888.40

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Solution

The fourth proportional to 657,409,512.40, 986,114,268.60 and 317,670,888.40 is: 476,506,332.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,409,512.40 : 986,114,268.60 = 317,670,888.40 : x
  2. Step 2: Convert to fraction form
    657,409,512.40/986,114,268.60 = 317,670,888.40/x
  3. Step 3: Cross multiply
    657,409,512.40x = 986,114,268.60 × 317,670,888.40
  4. Step 4: Simplify right side
    657,409,512.40x = 313,259,795,770,078,208
  5. Step 5: Solve for x
    x = 313,259,795,770,078,208/657,409,512.40
  6. Step 6: Final answer
    x = 476,506,332.60

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Similar ratio
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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.