Home / 637,824,101.40-956,736,152.10-431,199,840.60

Finding the Fourth Proportional to 637,824,101.40, 956,736,152.10 and 431,199,840.60

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Solution

The fourth proportional to 637,824,101.40, 956,736,152.10 and 431,199,840.60 is: 646,799,760.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,824,101.40 : 956,736,152.10 = 431,199,840.60 : x
  2. Step 2: Convert to fraction form
    637,824,101.40/956,736,152.10 = 431,199,840.60/x
  3. Step 3: Cross multiply
    637,824,101.40x = 956,736,152.10 × 431,199,840.60
  4. Step 4: Simplify right side
    637,824,101.40x = 412,544,476,281,777,408
  5. Step 5: Solve for x
    x = 412,544,476,281,777,408/637,824,101.40
  6. Step 6: Final answer
    x = 646,799,760.90

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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.