Home / 504,575,998.40-756,863,997.60-395,736,881.60

Finding the Fourth Proportional to 504,575,998.40, 756,863,997.60 and 395,736,881.60

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Solution

The fourth proportional to 504,575,998.40, 756,863,997.60 and 395,736,881.60 is: 593,605,322.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,575,998.40 : 756,863,997.60 = 395,736,881.60 : x
  2. Step 2: Convert to fraction form
    504,575,998.40/756,863,997.60 = 395,736,881.60/x
  3. Step 3: Cross multiply
    504,575,998.40x = 756,863,997.60 × 395,736,881.60
  4. Step 4: Simplify right side
    504,575,998.40x = 299,518,998,205,533,888
  5. Step 5: Solve for x
    x = 299,518,998,205,533,888/504,575,998.40
  6. Step 6: Final answer
    x = 593,605,322.40

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1.5x scale

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.